Bats fly, rather than glide, and thus are the only mammals capable of true flight.
A、straightC
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An oversight 遺漏 (miss, overslaugh) in proofreading often results in printed errors.
The Salk vaccine is a major factor in the fight to eradicate polio.
Comets are still regarded with awe by some people.
Food must be moist in order to have a taste.
The Native American interpreter Sacajawea was a valuable member of the Lewis and dark expedition in 1805.