Fluorexon
[化] 钙黄绿素
🗣️ 情景例句
when Susan and Richard were babies?
当Richard和Susan还很小时？
I understand completely.
我完全理解。
At the far end of the lake, they came to huge piles of rubble which had been washed up by the water.
在湖的尽头，他们见到一大堆一大堆由湖水冲刷上岸的碎石。