useful英 ['juːsfʊl; -f(ə)l]美 ['jusfl]adj. 有用的,有益的;有帮助的
[例句]All of these are quite useful breeds whose potentiality has not been realised.所有这些都是十分有用的品种,其潜力还没有被充分发挥出来。
useful英 ['juːsfʊl; -f(ə)l]美 ['jusfl]adj. 有用的,有益的;有帮助的
[例句]All of these are quite useful breeds whose potentiality has not been realised.所有这些都是十分有用的品种,其潜力还没有被充分发挥出来。
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