Chlorsilane
氯硅烷
??? 情景例句
We did?
我們忘了嗎？
Sincerely hope that your visit here will be worthwhile and meaningful.
衷心希望您的來訪有收獲且意義深遠。
If, as has been reported, they have protected humans from sharks,
正如報道中所說，如果海豚保護人不受鯊魚侵害，