点击下方单词,选择对的这个单词
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名词
1. （尤指身体上的）口，孔，洞An orifice is an opening or hole, especially one in your body such as your mouth.
1. an aperture or hole that opens into a bodily cavity
e.g. the orifice into the aorta from the lower left chamber of the heart
Synonym: openingporta
多通过句子记忆单词，而不是单独死记硬背。
