P. u.
[医] 孕尿
🧩 词语组成解析
[医] 单位
🗣️ 情景例句
I never slept.
我总睡不着。
What were you doing this time last year?
去年这时候你在干什么？
The most economical age to capture an elephant for training is between fifteen and twenty years,
捕捉15至20岁之间年龄的大象进行驯练最为经济。