Packfong
锌白铜
🗣️ 情景例句
I suppose so.
我想是这样吧。
We can't recall how often he's written.
我们记不起来他每隔多久写一封信。
All produets have to go through five checks in the whole process.
所有产品在整个生产过程中得通过五道质量检查关。