apparent/transparent/opaque/obvious/evident
记忆： 1. apparent [ E5pArEnt ] Readily understood; clear or obvious ap-parent 趣味记忆：父母的爱太明显。 adj. 显然的, 外观上的 (含“一目了然的”的意思, 还可指“思想上容易理解的” His guilt is apparent. 他的罪行是很明显的。
2. transparent [ trAns5pZErEnt ] trans-parent adj. 透明的, 显然的, 明晰的 Pure water is transparent. 纯水是透明的。
3. opaque [ Eu5peik ] o-pa-que 音“噢，配壳”，配有外壳的， adj. 不透明的 Iron is an opaque matter. 铁是不透明的物质。
4. obvious [ 5CbviEs, -vjEs ] ob-vi-ous 看得到的，adj.明显的, 显而易见的 ( 指“容易知道或发现, 无须解释或证明的” )It is obvious that even if we can save much energy, we can only delay the energy crisis.很明显，那怕我们能节约能量，也只能推迟能源危机的来到。
5. evident [5evidEnt] e-vid-ent e-, 外；vid, 看；-ent, 形容词后缀；evident, 外面看得出的，adj. 明白的, 明显的 (多用于推理及抽象的事 ) It's evident that the plan is impracticable.很明显这计划不可行。
另类阅读：
His parents find it apparent that water is transparent while the iron wood is opaque. They are obviously right. The truth is evident.
轻松一刻
Teacher: What your name, boy? Why are you always making trouble?
Student: I am Wang Xiaobao.
Teacher: Be polite when speaking to a teacher. You must say Mr., remember?
Student: Yes, I am Mr. Wang Xiaobao.