Antigenic drift
[机] 抗原漂移
🧩 词语组成解析
a. 抗原\\n[医] 抗原的
drift
[drɪft]
vi. 流动;随意移动;漂泊;浮现;
vt. 漂流;堆积成堆;
n. 漂移，偏移;趋势，动向;大意;放任自流;
🗣️ 情景例句
Are you excited about graduating from high school?
你从高中毕业会不会感到很兴奋呢？
She knew that a vocation this year was out of the question.
她知道今年不可能有假期。
His father told everybody that Eric had been killed in action.
他的父亲告诉大家，埃里克在战争中被打死了。