Eccc
[医][=element concentration calibration curve]元素浓度校正曲线
🗣️ 情景例句
But we can!
但我们能！
We should take due care for this accident.
我们应该对这件事给予应有的注意。
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长