Ethynes
[化] 炔烃
🗣️ 情景例句
I'll say.
是的。
Johnny doesn't like me.
乔妮不喜欢我。
they can locate and steer clear of obstacles -- or locate flying insects on which they feed.
并能通过回声来确定并躲开障碍物，或找到它们赖以为生的昆虫。