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单词
backswimmer
释义
backswimmer
in British English
(
ˈbækˌswɪmə
)
noun
an aquatic bug belonging to the family
Notonectidae
that swims on its back using its back legs as oars
backswimmer
in American English
(
ˈbækˌswɪmər
)
noun
any of a family (Notonectidae) of hemipterous water bugs that swim rapidly on their back by use of their long, oarlike legs
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更新时间:2025/6/14 12:33:18