Coleman spectrometer
[医] 科尔曼氏分光计
🧩 词语组成解析
n. 科尔曼（姓氏）
n. 分光计, 谱仪\\n[化] 分光计; 分光仪
🗣️ 情景例句
I did that. Go on.
我已经打了。 继续说。
The first step is the only difficulty.
万事起头难。
How long was that?
多长时间了？