outer-shell

英语音标

英语翻译

adj.外壳的

n.外壳

英语例句

A microphone inside each muff senses sound waves that make it through the outer ear cup, and a speaker creates pressure waves that cancel them. 耳机罩内的麦克风负责感应传入耳机外壳的声波，喇叭负责制造压力波予以抵消。

The turtle has a very hard shell. 乌龟有很坚硬的外壳。

Its thin outer shell had protected its liquid interior. 它薄薄的外壳保护着它呈液体的内脏。