Complex envelop
[电] 复包线
🧩 词语组成解析
envelop
[in'veləp]
vt. 包围，包住;笼罩，遮盖;
🗣️ 情景例句
God is equal to everyone!
上帝是公平的。
To race
竞争
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。