Digraphs
(digraph 的复数) n. 二合字母, 连字\\n[计] 有向图
🗣️ 情景例句
My instructor thought that the beginner's class was too easy for me.
老师认为初级课程对我来说太容易了。
Don't forget to print airmail on the letter.
不要忘记在信封上印上航空邮件
When they objected, they were killed.
他们反抗时就被杀害。