鲑鱼奋力回游到河里产卵。

The salmon fight their way back up the river to spawn.

youdao

每年春天大批鲟鱼回游至龙门穴洞之处集结，并且在临产卵前两三天内频繁跳跃。

Each spring, large Numbers of sturgeon migrate to the Longmen grotto gathering place, and often two or three days before the temporary jump spawning.

youdao

每年春天大批鲟鱼回游至龙门穴洞之处集结，并且在临产卵前两三天内频繁跳跃。

Each spring, large Numbers of sturgeon migrate to the Longmen grotto gathering place, and often two or three days before the temporary jump spawning.

youdao