The performance of the homemade double metal cyanation complex ( DMC ) catalysts non - stirred tank reactor heat exchanger.在聚合反应器中考评了自制的双金属氰化络合物催化剂性能.The 1,4 dialkoxynaphthalo 2,3 dinitriles were synthesized from 1,4 nap...
Conifer tree style such as pine, fir, spruce, redwood, juniper, etc.针叶类树包括松树 、 杉树 、 云杉 、 红木 、 刺柏, 等等.A jay emerged from the juniper bush in a flash of blue feathers.只见亮闪闪的蓝色羽毛一闪，一只松鸦从刺柏丛中钻了出来。Observation on Roots and Exp...
军队仍然控制着电视和广播发射塔。Troops are still in control of the television and radio tower.“挑战者”号突然腾起, 笨拙地沿着发射塔上升.Challenger broke free, lumbered past the launch tower.每树立起一座发射塔, 人们都会举办派对庆祝.Every time we put up a mast, they had a par...
New York City seems to be a hot spot for flashers.对暴露狂来说,纽约看来是个好去处.Stop lights, backup lights , and four - way emergency flashers also aid in vehicle safety.停车灯 、 倒车灯和紧急闪烁灯也是有助于车辆安全的....
He copied after bad precedents.他仿效恶例.Instructors read slowly and students copied down what was said.老师慢慢地念，学生们把所念的记下来。The teacher made an example of the boy who copied from another student during a test.老师惩罚了考试作弊的学生以儆效尤。...