Monosyllable
n. 单音节词
✅ 同义词
📖 牛津释义
monosyllable
n
word with only one syllable, eg it, and, no 单音节词（如it、 and、 no）
speak in monosyllables, eg when not wanting to talk to sb 用单音节词说话（如不想和某人说话时）. Cf 参看 disyllable.
🗣️ 情景例句
So that's it.
原来是这件事。
Do as the Romans do(or Do as they do at Rome).
入乡要随俗。
or even the universe itself, must in the nature of things 'wear out'.
甚至宇宙本身，从事物的本质上来说都会磨损掉"。