Immunocontraception
免疫避孕
🗣️ 情景例句
My name is Ellen Stewart.
我叫Ellen Stewart。
If you run after two hares,you will catch neither.
同时追两兔，一只也难捕。
that the traveller abroad thereby denies himself the opportunity of getting to know the people of the country visited.
说这种封闭的作法使到国外旅游者失去了了解所去国家人民的机会。