Fluorubin
荧红环
🗣️ 情景例句
It's an excellent title.
这是个绝妙的书名。
Did you wash this yourself?
你自己亲自洗了这个？
These friendly dogs, which were first brought from Asia, were used as watchdogs even in Roman times.
那些最先从亚洲引进的狗，待人友好，早在罗马时代就给人当看门狗了。