cover in

漢語翻譯

例句：

1. A lid or flap covering an aperture, such as the gill cover in some fishes or the horny shell cover in snails or other mollusks.
   鰓蓋覆蓋在一孔或縫隙上的蓋，如一些魚類的鰓或覆蓋在蛇或其它軟體動物身上的角質殼
2. The engine was covered in grease.
   發動機上有層油脂。