1.
The arsenic group(CH3)2As-.
二甲砷基砷基（CH3）2As－
2.
Multiple-Center Bond in Li_4(CH_3)_4;
Li_4(CH3)_4中的多中心键
3.
A yellow crystalline compound, (NO2)3C6H(CH3)OH, used in high explosives.
三硝基甲酚一种黄色的结晶状化合物，（NO2）3C6H（CH3）OH，用于烈性炸药中
4.
One might expect azomethane to have a Y structure similar to that of acetone(CH3)2CO.
可以预期偶氮甲烷分子具有和丙酮（CH3）2CO分子相似的丫形结构。
5.
The univalent hydrocarbon radical, CH3-, derived from methane and occurring in many important organic compounds.
甲基单价碳氢基，CH3－，由甲烷中衍生出，在许多重要有机化合物中出现