Nitropolymer
硝基聚合物
🗣️ 情景例句
in the children's ward.
在小儿科病房那边。
I'm afraid I've let myself get run-down. I've been working too hard.
我似乎弄坏身体了。最近太过劳累。
Why not? His home isn't far from here. Let's go.
为什么不呢？他家离这儿不远。我们走吧。