Definition: something you put in a hole to block it Level: B1
放水前别忘了把浴缸塞子塞上。
Don't forget to put the ___plug in the bath before running the water.
厨房水槽的塞子不见了，水直接就流走了。
The ___plug in the kitchen sink is missing, so the water just drains away.
我们用一个橡胶塞子堵住了水管上的漏洞。
We used a rubber ___plug to stop the leak in the water pipe.
