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bifocal的復(fù)數(shù)形式為：bifocals...
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Use bifocal or varifocal lenses may relieve asthenopia.如改用雙焦點(diǎn)或漸進(jìn)多焦點(diǎn)鏡片可能有助于減輕視疲勞....
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n.雙重焦點(diǎn)透鏡，雙光眼鏡( bifocal的名詞復(fù)數(shù) )...
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bifocal的音標(biāo)：bifocal的英式發(fā)音音標(biāo)為：[?ba?'f??kl]bifocal的美式發(fā)音音標(biāo)為：[?ba?'fo?kl]...
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bifocals的音標(biāo)：bifocals的英式發(fā)音音標(biāo)為：[?ba?'f??klz]bifocals的美式發(fā)音音標(biāo)為：[?ba?'fo?klz]...
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adj.（指眼鏡片）雙焦的，雙光的，有二重觀點(diǎn)的n.雙重焦點(diǎn)透鏡，雙光眼鏡...