Nepresol
雙肼苯噠嗪
??? 情景例句
When can I do that? I'd be happy to.
我什么時候可以去看 我很樂意做這項(xiàng)工作。
I know he will do something.
我知道他會做什么。
The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel.
這座雕像的主體是用銅制成的，由艾菲爾特制的金屬框架支撐著。