Diphosphane
二膦, 二磷烷
🗣️ 情景例句
Can I ring you up?
我可以给你打电话吗？
The eyes of the nation are upon the government.
国民的目光都注视着政府。
The village which had seemed deserted, immediately came to life.Faces appeared at windows.
刚才还似乎空荡荡的村庄一下子活跃了起来，窗口露出了一张张面孔，