"unlined woolen garment," c. 1746, from single (adj.) in clothing sense of "unlined, of one thickness" (late 14c.) + -et, apparently in imitation of doublet.
实用例句
1. He was wearing a blue silk singlet and boxer shorts.
他穿着一件蓝色丝绸背心和平脚短裤。来自柯林斯例句
2. He wore dungarees and a singlet, patched, but neat and clean.
他穿着粗布工装裤和背心, 上面打着补丁, 却很整洁.来自名作英译部分
3. The structure features and problems of discharge singlet oxygen generators are introduced.
介绍了各种放电单重氧发生器的结构特点以及存在的问题.来自互联网
4. This adidas singlet is used but still in good shape.
