Derrien's test
[医] 德廉氏试验(检尿α-二硝基酚)
🧩 词语组成解析
🗣️ 情景例句
You must develop the muscles of your speech organs to produce unfamiliar sounds.
所以你必须训练和发展你的发音器官（声带、舌、口、鼻腔等）的肌肉，以便发出陌生的（另外一种语言）声音。
Hold (or Run) with the hare and run (or hunt) with the hounds.
两面讨好。
We have learnt to expect that trains will be punctual.
我们已经习惯于相信火车总是准点的。