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
It won't be the same, but what do you say?
那就不一样了， 但你说呢？
Forgive others but not yourself.
待人宽，对己严。
I have just received a letter from my old school, informing me that my former headmaster,
我刚刚收到母校的一封信，通知我说以前的校长