Diskogram
椎间盘X线(照)片
🗣️ 情景例句
And miles to go before I sleep.
在我就寝前还得赶许多哩路。
A lazy sheep thinks its wool heavy.
懒羊嫌毛重
where chance discoveries play a much larger part than they do in physical and mechancal industries.
同物理和机械工业相比，化学工业中偶然发现的机会要多得多。