Envelope antigen
[医] 封套抗原
🧩 词语组成解析
envelope
['envələʊp]
n. 信封，封皮;壳层，外壳;包裹物;[生物学]膜，包袋;
en 表示\"进入…之中，包围\" +velop =cover（盖上） +e → .信封, 封套, 封袋, [天]包层, [数]包迹, [生]包膜
antigen
['æntidʒən]
n. 抗原;
🗣️ 情景例句
Smoking will kill you.
吸烟会害了你。
As this is a special offer, we hope you won't miss this opportunity.
因这是特殊报价，希望您不要错失良机。
Ice is only as safe as the water from which it is made,
冰块只有当制造冰块的水安全时才是保险的，