Cheland
螯合配体
🗣️ 情景例句
Sorry, I don't quite understand why...
对不起，我不太理解为什么…
The X2500 has the unique feature of providing better data flow with less input time.
这种X2500型的特点就是减少输入时间，使资料更为顺畅。
When he died, however, his brothers found it impossible to keep the secret any longer.
他死后，他的弟弟们才觉得无法再保守这个秘密了。