by day
US /baɪ deɪ/
UK /baɪ deɪ/
短語
白天, 日間
during the day; in the daytime
範例:
•
The owls hunt by day and sleep at night.
貓頭鷹白天捕食，晚上睡覺。
•
It's too hot to work outside by day in the summer.
夏天白天在外面工作太熱了。