Eccc
[医][=element concentration calibration curve]元素浓度校正曲线
🗣️ 情景例句
I'll be in town next week, maybe you could fit me in.
我下个礼拜会在城里，也许你能安排时间见我。
Dinner is on me.
晚饭我请客。
That's the doorbell, said Ann's mother. They're here!
“门铃响了，”安的母亲说。“他们来啦！”