Airplane sanitation
[医] 航空[环境]卫生
🧩 词语组成解析
🗣️ 情景例句
That's right. Grandpa hangs it there for good luck.
是的。爷爷把它放在那儿 以求好运。
Did you go to the movies last night?
你昨晚去看电影了吗？
On this occasion, however, it had slowed down considerably.
然而这一次它的速度慢多了。