Polyphosphazenes
[化] 含磷氮链聚合物
🗣️ 情景例句
The economy is booming in this country.
这个国家的经济形势一片大好。
A cracked bell can never sound well (is never sound).
破钟无好音。
When everyone had taken his/her place, the lawyer spoke as follows.
当大家都入座以后，律师作了如下的发言