Pertechnetate
高锝酸盐
🗣️ 情景例句
Thanks for the advice, but this is something I have to figure out myself.
谢谢你的建议，但这件事我必须得考虑一下。
Have you had breakfast yet?
你吃过早餐了吗？
It is only in the study of man himself that the major social sciences have substituted the study of one local variation, that of Western civilization.
只是在对人类自身的研究中，各主要的社会学科才用对一个局部地区各种情况的研究（如对西方文明的研究）来代替对全人类的研究。