Only thirty metres long.

只有三十米长。

youdao

A blue whale can be more than thirty metres long and weighs over 150 tons.

蓝鲸可能有30多米长，体重超过150吨。

youdao

A blue whale can be more than thirty metres long and weighs over 150 tons.

蓝鲸可能有30多米长，体重超过150吨。

youdao