shell cover

汉语翻译

【化】 壳体封头

例句

A clear plastic bubble or shell covering part of an aircraft.镶有玻璃的座舱飞机上由透明的玻璃构成的透明圆罩或壳状物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.鳃盖覆盖在一孔或缝隙上的盖，如一些鱼类的鳃或覆盖在蛇或其它软体动物身上的角质壳