Concaving
v. 凹的( concave的现在分词 ); 凹地; 凹面, 成凹形
🗣️ 情景例句
It's been my experience that I agree that yours are of better quality.
根据我的经验来看，你们的产品质量的确较好。
My hobby is collecting books.
我的嗜好是收集书籍。
The one behind the tree.
在树后面的那个女孩。