In 1664 Hooke observed a reddish spot on the surface of the planet.1664年，胡克注意到这颗行星表面有一块微红的斑点。His collaborator, Hooke, was of a different opinion.他的合作者霍克持有不同的看法.This paper generalizes Hooke � � s law in frequency domain.此...
Make a feint to the east but attack in the west.声东击西.The boy made a feint of studying hard, though actually he was listening to the radio.这孩子实际上正在听收音机, 却假装着在用功.The contest becomes mainly one of feint and counterfeint.这场比...
Aliphatic hydrocarbons can be nitrated even with 13 % nitric acid.脂肪酸甚至能被13%的硝酸硝化.Resistant to wear, impact, salt water and aliphatic hydrocarbons.可耐磨损 、 碰撞, 耐海水和脂肪烃类物质.Poly ( p - dioxanone ) ( PPDO ) and Poly ( ε - capr...
用胺作为质子吸收体代替吡啶还是得到同样的结果.Amines other than pyridines have been successfully employed as a proton sponge.适当地利用吸收体,可以使前两种相应特性得到改善.The first two of these characteristics can be improved by the judicious use of absorbers.所以良吸收...
He gathered himself up and sneaked off, crushed and crestfallen.他爬起来,偷偷地溜了,一副垂头丧气 、 被斗败的样子.The youth looked exceedingly crestfallen.那青年看上去垂头丧气极了.The individual to whom the manager had been talking went away quite crestfa...
...lying awake half the night tormented by poisonous suspicions.醒着躺了半宿，为卑劣的猜疑所折磨Camilla and Anne - Lise have tormented pasts.Camilla和 Anne -Lise有着痛苦的过去.Douglas was often cruelly tormented by jealous siblings.道格拉斯经常被嫉妒他的兄...