Borsyl
[化] 硼硅酸鈉
??? 情景例句
What's the best way to learn English?
學習英語最好的方法是什么？
He has a mind to become a revolutionary.
他有當革命家的胸襟。
How did you find the talk this morning?
你覺得今天早晨的報告怎么樣？