英语语法分析

He found that about 563 metric tons of nitrogen trifluoride was emitted in 2006.

他发现2006年中有大约563公吨的三氟化氮被排放。

Some companies are solving the problem by adopting alternatives to nitrogen trifluoride.

一些公司选择了接受三氟化氮的替代品来解决这个问题。

Nitrogen trifluoride (NF3) is a toxic, colorless, odorless, nonflammable, oxidizing compressed gas.

三氟化氮(NF 3)是有毒、无色、无嗅、不可燃的氧化性压缩气体。