Tecnazene
[建] 四氧硝基苯
??? 情景例句
Thanks for asking.
謝謝你的邀請。
He was born with a silver spoon in his mouth.
他生在富貴人家。
I can see you have put a lot of time into it.
我相信你在制定這個計劃上一定花了不少精力吧。