🧩 词语组成解析
🗣️ 情景例句
but there must be a way
但总该有一个办法
Whom are you calling?
你要找谁？
While the men had been working inside the ship, the air-line had been giving off oxygen.
当工人们的在船舱里干活时，供气管一直在排放氧气。