Beg leave
大学 College请允许
🧩 词语组成解析
beg
[beg]
vt.& vi. 乞讨;恳求（原谅）;回避（问题）;
leave
[liv]
vt. 离开;遗弃;忘了带;交托;
vt.& vi. 离去;出发;舍弃;
n. 准假;假期;辞别;许可;
🗣️ 情景例句
But I do need some publicity
但我需要一些宣传，
Keep in touch.
再联络！
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。