Allomorph
[计] 词素变体\\n[化] 同质异像变体
🗣️ 情景例句
But when Robbie was born,
但当Robbie出生后，
You'd better go and see a doctor about that.
关于那个毛病，你最好去看医生。
A bad workman quarrels with his tools.
手艺差的工人总是抱怨工具不好使。