U-value
u值
🧩 词语组成解析
🗣️ 情景例句
A job of some kind.
找点工作。
Do one's level best.
尽力而为。
So archaeologists have neither history nor legends to help them to find out where the first 'modern men' came from.
于是，考古学家们既缺乏历史记载，又无口头传说来帮助他们弄清最早的“现代人”是从哪里来的。