Phosphonoacetone
二氧磷基丙酮
🗣️ 情景例句
OK, Marilyn.
好了， Marilyn
It'll take a few more weeks for the bone to mend.
还需要花两三周骨头才能复原。
As the floods had put the telephone out of order, we could not find out how they were managing.
由于洪水造成了电话中断，我们无法了解他们情况。