Sings
n. 合唱；歌声（sing复数形式）
🗣️ 情景例句
Please go over the draft of the contract.
请再看一下草案吧。
I would like to cancel the reserved seat.
我要取消已预定的位置。
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。