B. Use a pole to move the raft in shallow water.

浅水区，利用竹竿划船前行。

youdao

A pole do not an instant slow to learn, such as water the boat.

一篙不可须臾缓，为学如撑水上船。

youdao

A pole do not an instant slow to learn, such as water the boat.

一篙不可须臾缓，为学如撑水上船。

youdao