Ecto-antigen
[医] 菌表抗原, 体外抗原
🧩 词语组成解析
antigen
['æntidʒən]
n. 抗原;
🗣️ 情景例句
But you may rest assured that the payment is guaranteed.
但是你尽可以放心，我们的付款是有保障的。
It's a quarter past five.
现在是五点一刻。
It's a long story.
说来话长。