turtleneck
noun [ C ] uk/ˈtɜː.təl.nek/ us/ˈtɝː.t̬əl.nek/
UK (US mock turtleneck)高圆领;高圆领针织衫
a high, round collar that does not fold over on itself, or a piece of clothing with this type of collar
a turtleneck sweater 高圆领套衫
US (UK polo neck)高圆翻领;高圆翻领针织衫
a high, round collar that folds over on itself and covers the neck, or a piece of clothing with this type of collar
I'd prefer a sweater with a turtleneck. 我更喜欢高翻领毛衣。
Why don't you wear your black turtleneck? 你怎么不穿你那件黑色的高翻领毛衣？