🧩 词语组成解析
smooth
[smʊð]
adj. 光滑的;流畅的;柔软的;温和的，安详的;
vt. 使平滑;排除，消除;安抚，平息;使优雅;
vi. 变平和，变缓和;
n. 平地，平面;
[医] 漆树[属植物]
🗣️ 情景例句
Bye.
再见。
You should be punctual for appointments.
你应该准时赴约。
Unfortunately you'll have to pay the fine before you check those books out.
在你借书之前你要先付清罚款。