Polynya
n. [地]冰间湖,冰穴(尤指北极海面的未结冰处)
🗣️ 情景例句
Where do you go to school?
你在哪里上学？
I've changed my mind.
我已经改变主意。
Textile business has become more and more difficult since the competition grew.
随着竞争的加剧，纺织品贸易越来越难做了。