Eccc
[医][=element concentration calibration curve]元素浓度校正曲线
🗣️ 情景例句
OK. We'll walk back to your office with you.
好吧 ，我们陪你走回你的办公室去。
Not yet.
还没有。
If he had not broken his tooth, he would not be in hospital now.
如果他没有把牙齿弄坏，现在就不在医院了。