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
You are a walking dictionary.
你是活字典。
Better say nothing than nothing to the purpose.
与其说话不中肯，不如一言不发好。
sometimes with the local priest (who was usually as poor as his parishioners), sometimes with shepherds or cheese-makers.
有时同当地牧师 （他通常和他的教民一样穷）住在一起，有时同牧羊人或制乳酪的人住在一起。