Piston expander
[化] 活塞式膨胀机
🧩 词语组成解析
piston
['pɪstən]
n. <机>活塞;
expander
[ɪk'spændə]
n. 使增大者，使身体健壮的强身器具;
🗣️ 情景例句
I'm sure there's one for you.
我相信会有你喜欢的。
I really must be going now.
现在我真的该告辞了。
She tried to explain the situation, saying 'It's only me', but it was too late.
她说了声“是我，别怕！”然后想进行一番解释，但已来不及了。