Tritoxide
[醫(yī)] 三氧化物
??? 情景例句
I enjoy writing.
我喜歡寫作。
I'm afraid all my efforts were in vain.
我擔(dān)心我的努力全白費了。
Our neighbour, Captain Charles Alison, will sail from Portsmouth tomorrow.
我們的鄰居查爾斯。艾利森船長明天就要從樸次茅斯啟航了。