Bootscrapers
(bootscraper 的复数) n. 长筒鞋刷子(或擦具)
🗣️ 情景例句
You keep getting fatter and fatter.
你一天比一天胖。
It's unlikely he's here.
看样子他不象在这儿。
But instruments far more delicate than that were needed if any really serious advance was to be made.
但是，如果要取得真正重大的进展，需要有比这种装置精细得多的仪器。