Umbral
a. 有荫影的, 阴暗的, 本影的
🗣️ 情景例句
May I speak to the head of the household?
我可以请户主听电话吗？
After the flood, the carpets were wet for a month.
洪水过后一个月，毛毡还是湿的。
It's a pencil-box.
一只铅笔盒