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单词
keratin
释义
keratin
n. a fibrous protein which occurs in hair, feathers, hooves, claws, horns, etc.
Etymology
: Gk keras keratos horn + -IN
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airstrip
airtight
airway
airwoman
airworthy
airy
aisle
ait
aitch
aitchbone
ajar
ajutage
AK
a.k.a.
akee
akela
akimbo
akin
Akkadian
akvavit
-al
AL
Al
al-
Ala.
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更新时间:2025/11/7 17:54:34