Determeter
(往复式)去污试验仪
🗣️ 情景例句
You look very familiar. Have we been introduced before?
你看起来很面熟，我们以前互相介绍认识过吗？
Money makes the world go round.
有钱好办事。
Is it Abraham Lincoln?
是亚伯拉罕·林肯吗？