Teroxide
三氧化物
??? 情景例句
I want you to know something, Son.
我希望你知道一件事， 孩子。
Thanks, my boy.
謝謝，小弟。
Look into the river, said the monkey. There he is! See his head?
“往河里看，”猴子說，“他就在那里！看見他的頭了嗎？