Acetylidene
异乙炔
🗣️ 情景例句
You can't believe all these ads.
你不能全信广告。
I wish you to be more careful.
我希望你更谨慎。
It caused devastation by burrowing and by devouring the herbage which might have maintained millions of sheep and cattle.
它们在地下打洞，吃掉本可以饲养数百万头牛羊的牧草，给澳洲大陆造成了毁灭性的破环。