Fluorexone
荧光素配位剂(由不纯品calcein制得的纯品)
🗣️ 情景例句
Well, we'll phone every hour,
好了， 我们每个小时都打电话
You should have your suit cleaned and ironed.
你应该把你的套装拿去洗烫一下。
The settlers built railways across the plains and began to hunt even more bison.
殖民者在平原上修起了铁路，于是开始猎取更多的野牛。