在1,2--二亚甲基环丁烷中并不发生这种现象.This phenomenon does not occur with 1 - 2 - dimethylenecyclobutane.环丁烷主要成 “ 蝶式 ” 构象存在.Cyclobutane exists predominantly in a " butterfly " conformation.四 号 溶剂主要成分为液化丁烷.The main component in 4 # solv...
This made its mini-computers incompatible with its mainframes...这就使得它的微型计算机与它的大型主机不兼容。Both parties use computers to dig up dirt on their opponents.双方都用电脑搜集对手的丑事。All classrooms equipped with computers, projectors, video a...
Chris unhooked the shutters and went out on the balcony.克里斯拉开百叶窗，走到了阳台上。In mid-afternoon, shopkeepers began to roll down their shutters.下午三时左右，店主们开始放下百叶窗。Shopkeepers closed their shutters as a mark of respect.店主们暂时停业以示敬意...
一定的茎秆硬度会致使虫卵损伤和脱水,削移幼虫的移动.A certain degree of stem solidness results in damaged and desiccated eggs and impaired larval movements.这个放大的照片显示一只凶猛风蝶幼虫的头部.A magnified shot shows the head of a tiger swallowtail butterfly larv...
He equates success with material wealth.他认为成功等同于物质财富.He equates poverty with misery.他认为贫穷就是不幸.This equates to increased and vigor, better sleep and sharper mental acuity.也就是说可以起到增强活力, 改善睡眠,提高心智的作用....a simple scoring dev...