Impermeable graphite
[化] 不透性石墨
🧩 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。
Delivery has to be put off due to the strike of the workers at the port.
由于港口工人罢工，交货只好推迟。
I must go to the butcher's, too.
我还要到肉店去一下。