【词组解析】
1. appeal to 吸引，申诉，请求
  （1）The two disputing countries decided not to appeal to arms. 这两个有争端的国家决定不诉诸武力。
  （2）Your only remedy is to appeal to law. 你的惟一补救办法是诉诸法律。

相关解析：appeal

v.（1）呼吁，吁请，恳求
   （2）诉诸，求助 
   （3）有吸引力，有感染力，引起兴趣
   （4）上诉，对…上诉；（体育比赛中）申诉
n.（1）呼吁，恳求
   （2）吸引力，感染力，魅力
   （3）上诉，申述

2. applicable to  适用于
 （1）With this restricted frequency range it is not applicable to hydrocarbons. 这个较紧缩的频率范围不适用于烃类。
 （2） His analysis was macro, and not directly applicable to individual firms. 他的分析是宏观的, 个别商行不能直接引用。

3. apply to 适用
 （1）For particulars apply to Mr. Brooker. 详情请向布鲁科先生询问。
 （2）These principles apply to learning maths. 这些原则适用于学习数学。

4. appropriate for/to 适当,合适
 （1）Her bright clothes were not appropriate for a funeral. 她那身鲜艳的衣服不适合参加葬礼。
 （2）Write in a style appropriate to your subject. 用与你的题目相称的体裁写。
相关解析：appropriate   adj. 适当的；恰当的；合适的；vt. 占用，拨出
Senator Lugar is skeptical that Congress will appropriate more funding for this purpose.

参议员卢格怀疑国会是否会拨出更多资金用于此目的。

5. approximate to  近似,接近
 （1）Production costs approximate to $ 100, 000. 生产成本接近十万美元。
 （2）In the animation you can discover another I, approximate to crazy me. 在动漫中你能发现另一个我, 一个近似于疯狂的我。
相关解析：approximate
adj.近似的，大约的
v. 近似，接近 ; 近似计算；概略估算

【练习】
英译中
（1）Chemical engineers have considerable background that is applicable to water pollution problems.
（2）Can we generalize common solutions to apply to similar problems?
（3）Zero or one life goal is appropriate for most personas.
（4）This tool is quite approximate to the traditional method the antivibratingweight problems of ground line.
（5）Bright colours appeal to small children.