Retrovaccation
[医] 还原接种法
🗣️ 情景例句
we want and need.
我们盼望而且也需要的。
If you agree to carry the calf, they'll make you carry the cow.
得寸进尺。
A girl came in and put an envelope on his desk.
一个姑娘走了进来，把一个信封放在了他桌上。