Cd spectrum
[化] 圆二色性谱
🧩 词语组成解析
CD
[['si'di]]
n. 镭射碟, 镭射唱片\\n[计] 光盘, 压缩盘, 载波检测, DOS内部命令
🗣️ 情景例句
Until today, I was never really interested in medicine.
直到今天 ，我才对医学真正感兴趣。
What time does the first train to Boston leave?
第一班去波士顿的列车什么时间开出呢？
But this does not matter, for, as he has often remarked, one is never too old to learn.
但这没有关系，因为正如他常说的那样，人要活到老学到老。