Phosphono-
[化] 膦酰基
🗣️ 情景例句
Of course, it was a small house,
当然， 那是一栋小房子，
If there were no clouds, we should not enjoy the sun.
吃得苦中苦，方知甜中甜。
He collected tetters and made copies of people's diaries.
他收集到一些信件，复印了一些人的日记。