形容詞 simple:

1. having few parts; not complex or complicated or involved
   同義詞：simple
2. easy and not involved or complicated
   同義詞：elementary, simple, uncomplicated, unproblematic
3. apart from anything else; without additions or modifications
   同義詞：bare, mere, simple
4. exhibiting childlike simplicity and credulity
   同義詞：childlike, wide-eyed, round-eyed, dewy-eyed, simple
5. lacking mental capacity and devoid of subtlety
   同義詞：dim-witted, half-witted, simple, simple-minded
6. (botany) of leaf shapes; of leaves having no divisions or subdivisions
   同義詞：simple, unsubdivided
7. unornamented
   同義詞：simple

1. A process by which the hydrocarbon molecules of petroleum are broken into simpler molecules, as of gasoline or kerosene, by the addition of hydrogen under high pressure and in the presence of a catalyst.
   氫化裂解將石油的含氫分子分裂成更簡單的分子(象汽油和煤油的分子)的過程，此分裂過程是在加催化劑及高壓氫氣的條件上進(jìn)行的
2. The chemical process by means of which a change in physical condition, as in pressure or temperature, or the action of a solvent causes a molecule to split into simpler groups of atoms, single atoms, or ions.
   離解(作用)在物理狀態(tài)下，如在壓力或溫度下的變化，或在溶劑的作用下，使分子分離為更簡單的一組原子、單原子或離子的化學(xué)過程
3. A molecule consisting of two identical simpler molecules.
   二聚物由兩個較簡單的相同分子形成的聚合物
4. Can you put it in simpler English?
   你能用更簡單的英語說嗎？