Radioelectrocardiogram
放射心电图
🗣️ 情景例句
There's something I have to ask you.
我有一件事要问你 。
I ought to tell him the whole story.
我应该告诉他整个事情的始末。
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。