howtoadj.基本知识的howadv.怎样；多么；如何conj.如何；怎样；以 ... 方式n.方式How was your day off?伊斯肯How To Drive An Ambulance救护车驾驶之道How long is the wait?伊塞尔How Does a Megaphone work喊话筒是怎样起作用的How can get rid void?n.无惯性方向图可控通信天线How about some fruit?n.艾西特How the World Became Flat世界是如何被碾平的How can I follow you?伊辛克How about some cream?n.国际行为发展研究学会How do you know this?简单计算装置,简单的计算装置