🧩 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;
🗣️ 情景例句
It's no big deal.
没什么大不了的。
The lion is known by his claws (paw).
狮以爪闻名。
Modern industry is based on the conception of the maximum production at lowest cost,
以最低成本获取最多产品，