Airplane sanitation
[医] 航空[环境]卫生
🧩 词语组成解析
🗣️ 情景例句
We were very young.
我们那时很年轻。
We've no problems.
我们没有问题了。
He had no sooner returned than he bought a house and went to live there.
他刚一回到英国便买下了一幢房子住了进去。