Minipump
小型真空泵, 微型真空泵
🗣️ 情景例句
The darkest evening of the year.
在这一年中最漆黑的夜晚 。
To play hopscotch
玩跳房子
because they are unwilling to have their names entered as having taken out such and such a book,
因为它们不愿让人家记下它们公司的名字和借阅的某一本书。