noun 下载 🔗分享 下水道口,排水孔。 The hole at the bottom of a bath, sink or tub, which can be blocked using a plug; a drain (US) Examples : "After my bath, I carefully placed the plug in the plughole to drain the water. " 洗完澡后,我小心地把塞子放进下水道口,把水排掉。 utility device building item 与AI对话词汇游戏阅读练习