Alloantigens
(alloantigen 的復數) n.[生]同種抗原
??? 情景例句
She was hired on the spot by the company.
她當場就被那家公司雇用了。
Each bird likes to hear himself sing.
每一只鳥都愛聽自己歌唱。
Do you want to make it earlier or later?
要提早還是延遲呢？