Determeter
(往复式)去污试验仪
🗣️ 情景例句
It's so nice of you to come.
你能来真好。
It's a shame this machine is so slow.
真遗憾，这台机器太慢了。
What is worth doing is worth doing well.
只要你觉得某事值得去做，就一定要把它做好。