Pertechnetate
高锝酸鹽
??? 情景例句
Well, I'll admit the room is uncomfortable.
嗯 我承認這個房間很不舒服。
I'm only joking.
我是開玩笑的。
That sounds a great idea. Good luck with your trip!
聽起來真是個好主意。祝你一路順風。