Qpc
肺毛细管血流量
🗣️ 情景例句
Safety first.
安全第一。
If you're sure you're not in a hurry, I can use a little help.
如果你真的不忙的话，我可能要你帮个小忙。
It seems that it's more difficult for women to get to the top of a company.
妇女要想得到一个公司的最高职位，似乎更加困难。