Dihydrobiopterin
二氢生物蝶呤
🗣️ 情景例句
I need a CD-ROM recorder.
我想要一个光盘刻录机。
I can hardly wait to see the new comet.
我急不可待地要见到新彗星的出现。
We'll let you know the next time we need to place an order.
下次需要订购时我们会通知你。