They had the laborious task of cutting down the huge tree.他们接受了伐大树的艰苦工作.Keeping the garden tidy all year round can be a laborious task.一年到头把花园拾掇得干净整洁也不是件轻松活儿。The distance seemed interminable, and the walk was most labori...
Keeping the garden tidy all year round can be a laborious task.一年到头把花园拾掇得干净整洁也不是件轻松活儿。Her mother laborious sews the cotton fabric.她的母亲辛辛苦苦的缝制棉织品.They had the laborious task of cutting down the huge tree.他们接受了伐大树的艰苦工作.The...
在森林中, 潮湿的树木与针叶会使讯号变弱.In a forest, wet wood and needles attenuate the signals.收音机里嘟嘟地发出五点钟报时讯号.The radio squeaked five.其他的比例反馈讯号是由速率陀螺产生的.Other proportional feedback signals are generated from rate gyros....
Turkin tapped him on the shoulder. "Sorry to interrupt, Colonel."图尔金拍拍他的肩膀。“不好意思打断您一下，上校。”"If I may interrupt for a moment," Kenneth said.“能打搅一下吗，”肯尼思说。Taller plants interrupt the views from the house.稍高些的植物遮挡了房内的视线。...
I wouldn't lay bets on his still remaining manager after the spring.我看他的这个经理当不到春天之后了。They made a few small bets for kicks.他们觉得好玩便小赌了几把。Place your bets now — the race begins in half an hour!现在可以下赌注——赛事于半小时后开始....
聚乙醛可以以无规, 间同和全同形式存在.Polyacetaldehyde may exist in atactic, syndiotactic and isotactic forms.聚乙醛它和聚烯烃一样,可以以无规, 间同和全同形式存在.Polyacetadehyde may exist in atactic, syndiotactic and isotactic forms.仲(乙)醛,三聚乙醛一种用作溶剂和镇定剂的无色液体聚合物,...