...the river police, whose headquarters are just upstream of the Isle St Louis...总部设在圣路易岛上游的水警The barriers are lethal to fish trying to swim upstream.这些障碍物对于想要往上游游动的鱼儿来说是致命的。Steps lead down to the subway from the upstrea...
The barriers are lethal to fish trying to swim upstream.这些障碍物对于想要往上游游动的鱼儿来说是致命的。Cities upstream use the river to get rid of sewage.上游的城市将污水排放到河里。A barrage would halt the flow upstream and lift the water level.一道拦河坝将会在上游拦...
简要介绍以此类方法对合成苯甲醛的研究.Based on the reactions , this paper reports research for synthesizing benzaldehyde.再溴代得到2-溴 -4,5-二甲氧基苯甲醛,收率为91.9%,并分析溴代过程中甲酰基的邻位效应及溴代产物的稳定性.This product with Br 2 was obtained 2 - bromo - 4,5 - hydroxy...
This technique brings life to instruction and eases assimilation of knowledge.这一方法给教学带来了活力，也使知识的吸收变得容易了。Centaury eases cough, bronchitis, inflammation of liver and eye.咳嗽 、 支气管炎 、 肝脏及眼睛发炎有抑制功效.When the crisis eases and c...
I found the cheapest price for enlarging the photograph by ringing round all the photographic dealers.我给所有的照相馆都打了电话,找到了放大照片要价最低的地方.People who have fingered crack houses and fingered drug dealers have been assassinated.那些...
The system precisely calibrates all of your CRT, LCD, and laptop displays.该系统精确地测定你的CRT 、 LCD和笔记本电脑显示器.Locates the set in advance, calibrates the world, the drift angle.预先定位套准,校准天地,斜我的偏差使整套图案位置准备, 一线不差.After the top is b...
陆上油田an onshore oil field保护油田者有奖.Those who protect the oil field will be rewarded.新油田的含油层结构已经探明.The oil - bearing structure of the new oil field has been verified....