essential group的用法和樣例：
例句
- A vinyl compound is an organic compound that contains a vinyl group.
乙烯化合物是有乙烯基團的有機化合物。 - When the anthraquinone ring is led into different group,it changes into a differentd yestuff.
將蒽醌環(huán)上引入不同的基團則成為不同的染料。
essential group的相關(guān)資料：
臨近單詞
essentially
essential
essentially periodic sequence
essential oils of Pine needlc
Essential engineering quality
essential boundary conditions
essential factor of resources
essentially bounded functions
Essential oil of fresh ginger
Essential Factor of Operation
Essential hyperparathyroidism
Essential medical care system
