Erucin
芥酸精, 甘油三芥酸脂
🗣️ 情景例句
They'll be here soon, and then we'll eat.
他们马上就到。他们一到就开饭。
Almost everyone is aware of environmental problems in America.
在美国，几乎人人都注意到环境问题。
They must keep their hands behind their backs.
他们得一直将手放在背后。