硬壳

硬壳 [yìng qiào]

1. ■ {地质} duricrust; {动} shell:

乌龟背上有硬壳。 A tortoise has a shell on his back.

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常用词组

1. ■ 硬壳蛤 quahog; ouahog;

2. ■ 硬壳卵 skate barrow;

3. ■ 硬壳蝇 Caryomyia;

4. ■ 硬壳圆柱体 monocoque cylinder