meth.a.done

methadone的音标和读音：
DJ音标发音： [ˈmeθəˌdoun]
KK音标发音： [ˈmɛθəˌdon]

methadone的词性：
n.（名词）

1. A potent synthetic narcotic drug, C₂₁H ₂₇NO, that is less addictive than morphine or heroin and is used as a substitute for these drugs in addiction treatment programs.
美沙酮：一种有效的合成麻醉药，C₂₁H ₂₇NO不象吗啡或海洛因那样容易让人上瘾，在戒毒治疗中被用作这些毒药的替代品

methadone的词源：

2. Short for methadone hydrochloride
methadone hydrochloride的简写

3. (di)meth(yl)
(di)meth(yl)

4. a(mino)
a(mino)

5. d(iphenyl)
d(iphenyl)

6. (heptan)one [a ketone]
(heptan)one [酮类]