Tomac
顿巴黄铜(铜锌合金)
🗣️ 情景例句
I'm dead tired by quitting time.
下班时，我都累死了。
Sorry, but she's busy then too.
对不起，那会儿她也没空。
Our manufacturing costs have gone up too much.
我们的制造成本增加太多了。