Impactor
n. 撞击器；悬浮微粒的取样器
🗣️ 情景例句
It's the best we can do under the circumstances.
情况就是这样， 我们已经尽力而为了。
I ought to take her home.
我应该送她回家。
At that time only the British government had the right to sell salt, which was taxed, so Gandhi encouraged the whole nation to make their own salt.
那时，只有英国政府有权出售盐，而且盐是要征税的。于是甘地鼓励所有的国民自己生产盐。