Phosphono-
[化] 膦酰基
🗣️ 情景例句
Did he ever get over it?
他有忘掉这件事吗？
A clear conscience is a soft pillow.
问心无愧，高枕无忧。
Over the years, one may well become a authority on one's hobby and will very probably be asked to give informal talks to little gatherings and then,
一人积了多年经验会成为自己这种爱好的权威，很可能应邀在小型集会上作非正式的讲话。