Dihydroneopterin
二氢新蝶呤
🗣️ 情景例句
Yes, they are. We're still expanding.
是的，我们还要扩建。
When the tree is fallen, every one runs to it with his axe.
大树一倒下，人人持斧来。
small at first, narrowly contained within its banks,
开始很小，被紧紧地夹在两岸中间，