Airlocks
n. 气闸；气塞
🗣️ 情景例句
How much for a haircut?
理发多少钱？
He will be here in 30 minutes.
他在三十分钟内会到这里。
Fortunately, however, ancient men made tools of stone, especially flint,
然而， 幸运的是，远古人用石头制作了工具，特别是用燧石，