The oar fish is an experiment subject.

浆鱼是实验对象。

youdao

The old man let him hit the fish and then drove the knife on the oar down into his brain.

老人让它咬住了鱼，然后把桨上绑着的刀子扎进它的脑子。

youdao

The old man let him hit the fish and then drove the knife on the oar down into his brain.

老人让它咬住了鱼，然后把桨上绑着的刀子扎进它的脑子。

youdao