这动作和噪声让其实海豚知道那是不好的事。
Thee movement and noise let other dolphins know that something is wrong.
蔬菜的味道不好，烧的时间太长了。（不需要动作的执行者）
The vegetables didn't taste very good. They had been coked too long.
蔬菜的味道不好，烧的时间太长了。（不需要动作的执行者）
The vegetables didn't taste very good. They had been cooked too long.
蔬菜的味道不好，烧的时间太长了。（不需要动作的执行者）
The vegetables didn't taste very good. They had been cooked too long.
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