Negative staining
[医] 背景染色法
🧩 词语组成解析
negative
['nɛɡətɪv]
adj. 消极的，否认的;[数]负的;[心]反抗性的;无预期结果的;
n. 否定词语;否定的观点;消极性;[摄]底片;
vt. 否定;拒绝;
negat否认+ive形容词后缀 → 否认的；n. 底片
[医] 染色法, 染色
🗣️ 情景例句
but I knew engineering was not for me.
但我知道工程对我不合适。
He can run as fast as Jim.
他跑的和吉姆一样快。
I crossed the street to avoid meeting him, but he saw me and came running towards me.
我穿过马路以便避开他，但他看到我并朝我跑过来。