Diphosphane
二膦, 二磷烷
🗣️ 情景例句
If you can't handle this job by yourself, I'm just a phone call away.
若你不能自己处理这件事的话，就打个电话给我吧。
No practice, no gain in one's wit.
吃一堑，长一智。
Please give him my regards.
请代我问候他。