Stromatometry
疊層計(jì)量法
??? 情景例句
Haven't we met someplace before?
我們以前沒(méi)見過(guò)面嗎？
We are having a party and would like you to come.
我們要開派對(duì)，能請(qǐng)您光臨嗎？
Where does the teacher stand?
老師站在哪里？