Chemical(engineering)machine
[化] 化工机器
🗣️ 情景例句
Fifty years? Wow!
五十年？ 喔！
Do you know where I've put my glasses?
你知道我把眼镜搁哪儿了吗？
and beyond six or seven they are worthless.
如果超过六七天，天气预报就没有了任何价值。