in hotdays释义:
在炎热的天
例句:
We should drink more water, because we sweat a lot in hot days.
我们应该喝更多的水,因为在火热的夏天我们出了很多汗。
on hot days释义:
在炎热的天
例句:
The weather is usually warm and sunny during these months so remember to bring some sun protection, especially on hot days.
在这几个月里,天气通常是温暖和晴朗的,所以记得带一些防晒用品,尤其在炎热的日子里用。
in holidays 意思是度假,on hot days 是热天