Ultraweak luminescence
[化] 超微弱发光
🧩 词语组成解析
luminescence
[ˌlu:mi'nesns]
n. 冷光，发冷光;
🗣️ 情景例句
The only thing holding us back is our financial situation.
只是财政状况未许可，所以才拖延到现在。
Now read,please.
现在请大家读。
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。