🧩 词语组成解析
prairie
['prɛri]
n. （尤指北美的）大草原，大牧场;草原地带;〈美方〉林中空地;
绳草
🗣️ 情景例句
I don't know. The baby-sitter says she has a stomachache,
我不知道。临时保姆说她肚子疼.
To run away from his sister
从他姐姐那儿逃走
What was the population of the more developed countries in 1950?
1950年较发达国家的人口是多少？