Singulars
(singular 的复数) n. 单数\\na. 异常的, 单一的
🗣️ 情景例句
It's a piece of cake.
这是小菜一碟。
He's probably here.
他可能在这儿。
Two factors weigh heavily against the effectiveness of scientific research in industry.
两个因素严重地影响工业里科学研究的效果：