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Unlike frogs that metamorphose from tadpoles into adults within a one-year period,mountain yellow-legged frogs of the Sierra Nevada take three to four years to reach adulthood,and so they are restricted to deeper bodies of water that do not dry up in summer or freeze solid in winter.
adj. 如此, 如...那样, 如是
adv. 这么, 那么; 就那样, 像这样; 多么, 非常; 如此
conj. 因此, 所以; 因而, 从而
interj. 啊, 哦; 好, 行
上面那个句子是对的 来自prep07
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