wing case

同根派生

And it said that bumps on the wing cases of the Namib desert beetle enabled it to gather water droplets from frequent fogs in a region where only about 1 cm (0.5 inch) of rain falls a year.
研究项目还说，纳米布沙漠甲虫鞘翅上的凸起使它能够从经常出现的雾中收集水滴，从而在年降雨量只有大约10毫米的地方生存下去。
In that case you'll have to clear yourself.
那样，你只得自行辩白了。
In this case, let's start earlier.
既然这样，我们就早点开始。
The lark's on the wing, the snail's on the horn.
云雀在空中飞翔，蜗牛伸出触角爬行。
The aeroplane wing showed signs of metal fatigue.
机翼显出有金属疲劳的现象。