obturated

The plumber obturated the cracked pipe with a rubber stopper to stop the leak.

用法提示：obturated 是过去式，表示“堵塞、封闭”的动作。

Thick dust obturates the air vent, so the room feels stuffy.

用法提示：obturates 是第三人称单数形式，表示“堵塞”。

By obturating the hole with clay, they kept the water from escaping.

用法提示：obturating 是动名词，用在 by 后面表示“通过堵塞”。