“观察孔”用英语怎么说？

他们能够通过窗户(观察)孔监视左邻右舍.They could spy on their neighbour through a porthole window.在挡手护罩的挡手部分上还开有用于观察的 观察孔.A hole for observation is also arranged at the hand - baffle part of the hand - baffle protective cover....

n.甜瓜，圆鼓鼓像瓜似的东西...

advertiser的近义词/同义词有：publicity, trader, promoter, publicist, man, hawker, shopkeepr, dealer, merchant, retailer, vendor, huckster, advertising, agent, adman, PR, peddler, businessman, tradesman, flack。n.advertiser的近义词（推销员...

Our confidence in the team has been seriously undermined by their recent defeats.该队最近的几次失败已严重动摇了我们对他们的信心。The team chalked up the ten victories against two defeats.该队赢10场输2场.This season we've had three wins and two d...

Bud turned the truck around, and started back for Dalton Pond.巴德把卡车掉头，开始返回多尔顿池。Dalton dealt out five cards to each player.多尔顿给每个玩家发了5张牌。And the enemy had now advanced fifty - five miles from Dalton.现在敌军已经从多尔顿前进了55英里....

“图样”的拼音为：tú yàng...

quartered的音标：quartered的英式发音音标为：['kwɔ:təd]quartered的美式发音音标为：['kwɔtəd]...

juntas的音标：...

alphabetizes的音标：...

alchemize的第三人称单数（三单）为：alchemizes...

R ” 是取化基,如乙氧基 、 甲氧基及它们的环氧和烷氧同系物或卤基.R " is a replaceable function , e . g . acetoxy, methoxy, their acyloxy and alkoxy homologs or halo.蒸馏得质量分数高于98%的邻乙氧基苯甲酸,收率为92%.Distillation gave o ethoxybenzoic acid with 98 % of the p...

chemotrophy的音标：chemotrophy的英式发音音标为：[kemət'rɒfɪ]chemotrophy的美式发音音标为：[kemət'rɒfɪ]...

n.滴定管，玻璃量管...

Lifelines would be of no help until the product is selling.如果产品卖不出去,这些救命资金也毫无帮助.They firmly lay hold of all the lifelines of their national economy.他们牢牢地控制住国民经济的命脉.They firmly took hold of all the lifelines of their nati...

vt.（使）减少，缩小，减弱…的权势，[乐]减半音vi.变小或减少，逐渐变细...

The synthetic principle and the process method diglycol dioleate were discussed in this paper.本文探讨了一缩二乙醇油酸双酯酯化反应的合成原理及其工艺操作方法....