Deltoidal
a. (=deltoid)三角形的, 三角洲的
🗣️ 情景例句
Don't forget to bring me a souvenir.
别忘了给我带回点儿纪念品。
There are three terms in a school year.
一学年有三个学期。
What's the matter, children?
怎么啦，孩子们？