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
Apply as much force as is necessary.
需用多少力量就用多少。
Who will accompany you to the airport?
谁将陪你去机场？
This greatly reduced the speed of the ship,
这样一来，大大降低了船的航速。