雅思自学是很难的，在雅思考试中，雅思听力考试是雅思听说读写四部分考试的第1项，要想提高雅思听力成绩，平时的词汇积累很重要。下文中新航道上海学校小编整理了雅思听力相关词汇-如前所述干的英文，当然词汇量达到了，在听力的过程中每个词汇也都懂，可是连在一起却听不懂，其实在备考雅思听力过程中多记忆一些关键词，在考试中会起到非常重要的作用，小编提醒大家在学习时，一定要有的放矢，重点把握。
1如前所述的英文：
as before
2如前所述的英文参考例句：
As previously mentioned, spacing of the orifice groups with relationship to each other is important
如前所述，喷孔组合的相互间距是重要的。
As we have seen, congressional power in the environmental area is virtually unlimited
如前所述，在环境方面，国会的权力实际是无限的。
As has been argued, traditionally organized libraries have reached an impasse in terms of usability
如前所述，按传统方式组织的图书馆的可用性已陷入绝境。
As indicated, the timing pump is a critical component of the pasteurization system.
如前所述,调速泵是巴氏杀菌设备中关键的组成部分
But as was mentioned before, you should pick a different clustering criteria for geodetic data in any case.
但是，如前所述，在任何情况下，应该为大地数据选用一个不同的聚集标准。
As previously explained, all debits and credits in the ledger are posted from the journal.
如前所述,在分类账中所有的借项和贷项都是从日记账中过入的。
Per our earlier discussion, the RAM will be located from FFOO to FFFF hexadecimal
如前所述，RAM的地址码是安排在FFOO-FFFF(十六进制)这一范围。
3如前所述的英文相关词汇：
before是什么意思：
prep. 在…之前;优于，先于;当面
conj. 在…之前
adv. 先前，从前
Rain before seven;fine before eleven
雨过天晴
They corned their horses before the journey.
他们在启程前用玉米喂马。
The army was arrayed before the commander.
部队在指挥官前列好阵势。
see before you go
三思而行
Bind the sack before it be full
做事应适可而止
