Gineering
热工保护
🗣️ 情景例句
Many shopping malls and supermarkets can deliver goods straight to your door.
许多购物中心和超市提供免费送货上门服务。
What are you thinking about?
你正在考虑什么？
Hmm! That's a bit expensive. Can I try them on, please?
嗯！就是贵了一点儿。我可以试穿一下吗？