英语词汇before performing this test怎么读，是什么意思，单词翻译、读音、固定搭配用法和短语词组及例句-英汉双解词典

单词	before performing this test
释义	before — 前 • 之前 • 以前 • 先前 • 前来 • 在未 adv • 先头 • 前儿 • 早先 before this— 此前 a test— 检定 test v — 试 v • 验 v • 考 v • 检测 v • 试行 v before conj — 在之前 conj before prep — 先于 prep this pron — 本 pron • 此 pron • 这种 pron • 斯 pron • 兹 pron • 玆 pron test n — 实验 n • 测验 n
随便看	what creates value what criteria what criteria are taken into account what currencies what customers what customers are saying what customers expect of a what customers say what customers value what d%27you think what damage what data are required what data does what data is collected what data you have what date what day it is what decade are you living in what decision what decision was taken what defence what defines what determines this what diameter what did do they

英汉双解词典包含2273206条英汉词条，基本涵盖了全部常用单词的翻译及用法，是英语学习的有利工具。

before —