Eccc
[医][=element concentration calibration curve]元素浓度校正曲线
🗣️ 情景例句
Please have two window seats placed aside for us.
请为我们保留两个靠窗口的位子。
He is wise that knows when he's well enough.
知足的人是聪明的人。
He drives more carefully than you.
他开车比你小心。