下列物体中属于胡克命名的是()。 A: skin B: lood C: cell D: albumen

If you don't know the meaning for the word, you can _____ it _____ in the dictionary. A: lood down...on B: look...up C: look...around D: look...after

A fly's wings are so thin that its veins show through. A: ones B: shoulder muscles C: ligaments D: lood vessels