🧩 词语组成解析
pad
[pæd]
vt. 给…装衬垫， 加垫子;填塞;踏平;
vi. 步行，放轻脚步走;
n. 垫，衬垫;护具;便签本;发射台;
🗣️ 情景例句
If you have any trouble, let me know.
如果你有任何的麻烦，请告诉我。
What's the point of feeling blue?
有什么好悲伤的？
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，