Fluorescite
荧光素钠
🗣️ 情景例句
Well, Harry, that's because I do.
哦，Harry， 那是因为我关心。
Do I have to reserve a seat?
我一定要预订座位吗？
I've been working at a meat factory for about two months now.
大约两个月来，我一直在一家肉厂干活。