Tryoff
验箱
🗣️ 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。
Labour is the capital of our working men.
劳动力是劳动人民的资本。
It's nine forty.
九点四十了。