Polyphosphazenes
[化] 含磷氮链聚合物
🗣️ 情景例句
Now he's got his own trading company. Ann told me he made four million dollars last year.
现在他已有自己的贸易公司。安告诉我他去年赚了400万美元。
How's your uncle?
你的叔叔好吗？
'A fire extinguisher, my dear,' answered the Ambassador drily.
“灭火器弄的，亲爱的，”大使冷冷地回答，