Injective
[计] 内射, 单射
🗣️ 情景例句
She would be pretty if she wasn't so fat.
她要是不那么胖，还挺漂亮的呢。
Education begins a gentleman, conversation completes him.
人的教养始于教育，成于社交。
A young English writer made the pertinent observation a year or two back
一两年前，一位年轻的英国作家发表了中肯的看法。