Immunocontraception
免疫避孕
🗣️ 情景例句
Only a five percent discount? How about twenty percent?
只打九五折？八折怎么样？
They are so busy these days, that they don't even have time for their friends.
他们最近忙得没法和朋友见面。
After so many years of sunshine, Harrison got a shock.
在阳光下生活了那么多年的哈里森对此感到惊奇。