Herd immunity
[医] 群体免疫
🧩 词语组成解析
herd
[hɝd]
n. 兽群;牧群;放牧人;<蔑>群众，民众;
vt.& vi. 群集，纠结;
vt. 放牧;（使）向…移动;使成群;
immunity
[i'mju:niti]
n. 免除，豁免;免疫力;
🗣️ 情景例句
I want to buy shares in multi-national pharmaceutical company.
我想购买一家跨国医药公司的股票。
Are there reserved seats on the train?
车上有预订座位吗？
I read a few lines, but I did not understand a word.
我读了几行，但一个字也不懂。