Benzanthrone
苯并蒽酮
🗣️ 情景例句
Where do I sign this?
我签在哪里？
This square table is good.
这张方桌很不错。
The actual figure was made of copper supported by a metal framework which had been especially constructed by Eiffel.
这座雕像的主体是用铜制成的，由艾菲尔特制的金属框架支撑着。