Preeutectic
先共晶的
🗣️ 情景例句
It's extremely good of you to do this for me.
你帮我做了这件事，真是太好了。
I'm pressed for time.
我赶时间。
The woman was a visitor. She did not live in London. She lived in the country.
这老太太是位游客，不住在伦敦。