BBC article picture
World's largest freshwater fish found in Mekong, scientists say
By Grace Tsoi
Scientists say the world's largest freshwater fish has been found in the Mekong
freshwater fish 淡水鱼
Mekong [ˌmiːˈkɒŋ] n. 湄公河（位于东南亚） A 300kg (661lb) stingray caught in the Mekong river in Cambodia is the biggest freshwater fish ever documented, scientists say.
Scientists say a 300 kg (661 lb) stingray caught in Cambodia's Mekong river is the largest freshwater fish on record.
lb [paʊnd] 磅（源自拉丁语 libra，约等于454克）
stingray [ˈstɪŋreɪ] n. 黄貂鱼
ever documented 有记录以来 It unseated the previous record-holder, a 646lb (293kg) Mekong giant catfish caught in Thailand in 2005.
It replaces the previous record holder, a giant catfish caught in Thailand's Mekong River in 2005, weighing 646 pounds (293 kilograms).
unseat [ˌʌnˈsiːt] vt. 罢免；剥夺……的席位，取代；使失去资格；使从座位上（或马背上）摔下
record-holder [ˈrekɔːd həʊldə(r)] n. 记录保持者
catfish [ˈkætfɪʃ] n. 鲶鱼 There is no official record-keeping or database of the world's biggest freshwater fish.
There are no official records or information on the world's largest freshwater fish.
record-keeping n. 记录
database n. （计算机）数据库，资料库 The Mekong is rich in biodiversity but overfishing, dams and pollution threaten its fragile ecosystem.
The Mekong is rich in biodiversity, but overfishing, dams and pollution threaten its fragile ecosystem.
biodiversity [ˌbaɪəʊdaɪˈvɜːsəti] n. 生物多样性
overfishing n. （对海、河等中鱼类的）捕捞过度
fragile [ˈfrædʒaɪl] adj. 易碎的；脆弱的
ecosystem [ˈiːkəʊsɪstəm] 生态系统 It flows from the Tibetan Plateau through China, Myanmar, Thailand, Laos, Cambodia and Vietnam.
It originated on the Tibetan Plateau in China and flows through China, Myanmar, Thailand, Laos, Cambodia and Vietnam.
Tibetan Plateau 青藏高原 "In 20 years of researching giant fish in rivers and lakes on six continents, this is the largest freshwater fish that we've encountered or that's been documented anywhere worldwide," said Zeb Hogan, a biologist who leads Wonders of the Mekong, a USAID-funded conservation project.
"After 20 years of studying giant fish in rivers and lakes on six continents, this is the largest freshwater fish we have encountered and the largest ever recorded anywhere in the world." Zeb Hogan, head of the U.S. Agency for International Development-funded Conservation of the Wonders of the Mekong River, said biologist Zebb Hogan.
encounter [ɪnˈkaʊntə(r)] v. 遭遇；偶遇，邂逅
biologist 生物学家 The conservation project works with the Cambodian Fisheries Administration to set up a network of fishermen who alert the researchers if they catch giant or endangered fish.
The conservation project, in partnership with the Cambodia Fisheries Authority, has established a network of fishermen who alert researchers if they catch giant or endangered fish.
alert [əˈlɜːt] v. 向……报警，使警觉；提示，提醒（某人）
endangered [ɪnˈdeɪndʒəd] adj. （动植物）濒危的 
BBC article picture
On the night of 13 June, a local fisherman on Koh Preah island called to tell researchers that he had caught a "very big" stingray - it turned out to be 3.98m long and 2.2m wide.
On the evening of June 13, a local fisherman on Park Lane Called to tell researchers that he had caught a "very large" stingray — 3.98 meters long and 2.2 meters wide.
After being fitted with an acoustic tag to track its future movement, the stingray was released back into the river.
After being fitted with acoustic trackers to track their future activities, stingrays are released back into the river.
fit [fɪt] v. 适合，合身；安置，安装（在某处）
acoustic [əˈkuːstɪk] adj. 声音的，听觉的
tag [tæɡ] n. 标签；（电子）追踪器；v. 给……贴标签，在……上做记号；给……装上电子监控器； It disappeared into the muddy waters of the Mekong around dusk when the moon was already up in the sky, Dr Hogan said.
Dr Hogan said that at dusk, at the beginning of the moon, the stingrays disappeared into the muddy waters of the Mekong River.
muddy [ˈmʌdi] adj. 泥泞的，多泥的；含泥的，浑浊的
muddy water 浑水 In the local Khmer language, the fish is called "Boramy", which means full moon.
In the local Khmer language, the fish is called "Boramy", which means full moon.
Khmer [kmeə(r)] n. 高棉人；高棉语 "The stingray find is evidence that the natural world can still yield new and extraordinary discoveries, and that many of the largest aquatic creatures remain woefully understudied," Dr Hogan said.
Dr Hogan said: "The discovery of stingrays proves that the nature is still full of novel unknown discoveries, and many large aquatic organisms are still not fully studied. ”
yield [jiːld] v. 产生（收益、效益等），产生（结果）；出产（天然产品，农产品，工业产品）
extraordinary [ɪkˈstrɔːd(ə)n(ə)ri] adj. 异乎寻常的，令人惊奇的；非凡的，卓越的
aquatic [əˈkwætɪk] adj. 水生的，水栖的
woefully [ˈwəʊfəli] adv. 悲伤地；不幸地；使人痛苦地 The giant freshwater stingray is an endangered species. This is the second giant stingray examined by the team since May - the earlier one weighed 181kg.
Giant freshwater stingrays are an endangered species. This is the second giant stingray the team has found since May, with the previous one weighing 181 kilograms.
weigh [weɪ] v. 称……的重量；重，有……重；认真考虑，权衡 Regularly launch BBC articles for intensive reading
Like to like and follow Oh [heart]