Neelsen's stain
[医] 尼耳森氏染剂
🧩 词语组成解析
🗣️ 情景例句
This weekend I'm going to install a home security system.
这个周末我要装一套家庭保安系统。
A man of gladness seldom falls into madness.
生性乐天的人极少会变成疯子。
Squeezing through a cleft in the rocks, the pot-holers arrived at an enormous cavern, the size of a huge concert hall.
洞穴探险者从岩石缝里挤身过去，来到一个巨大的洞里，其大小相当于一个音乐厅。