例句：
He is always pontifical.
他总是很自以为是。
The style is more observational than polemical.
它是观察式的，不是辩论式的。
The area is of great botanical interest.
该地区很有植物学研究价值。
She likes to talk about symmetrical and asymmetrical triangles.
她喜欢谈论对称和不对称的三角形。
The power of the monarchy in Britain today is more symbolical than real.
今日英国君主的.权力多为象征性的， 无甚实际意义。
If you're still skeptical about exercising, we can only ask you to trust us and give it a try.
如果你仍对锻炼持怀疑态度，我们只能请你相信我们，试一试。