Eccc
[医][=element concentration calibration curve]元素浓度校正曲线
🗣️ 情景例句
Would you like to eat with chopsticks?
你愿意用筷子吗？
What is thelargest industrial center in this country?
这个国家最大的工业区是哪里？
They were all hungry and the food smelled good.
他们全都饿了，饭菜散发出阵阵香味。