Holzknecht unit
[医] 霍耳茨克内希特氏单位(一种X线剂量单位,相当于1/5红斑量)
🧩 词语组成解析
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
I promise I won't leave early.
我发誓我再也不会早走了。
I suppose it's difficult for you to do this.
我推测对你来说做这件事情是很困难的。
You'll have to wear this hard hat for the tour.
参观时必需戴上这安全帽。