Optionally, the purified diisobutylene may be hydrogenated to isooctane hydrogenation catalyst.任选的是, 可用加氢催化剂将纯化的二聚异丁烯加氢生成异辛烷.The process comprises first oligomerizing isobutylene to diisobutylene using a sulfonic acid ty...
Keane is entering the long twilight of his career.基恩正进入事业的下滑期.Hopefully today you have seen Robbie Keane back to his best.很高兴,今天你们看到罗比?基恩回到他的最佳状态了!Jonny Evans, the defender, chooses ex - captain Roy Keane.后卫乔尼.埃文斯选择了前队长罗...
Joanna's denial rang true.乔安娜的否认听起来像是真的。Picking up a brush, Joanna parted her hair...乔安娜拿起一把刷子，给头发分缝。Joanna was pouring the drink. While she was thus engaged, Charles sat on one of the bar-stools...乔安娜正在倒酒。就在她正忙的当儿，...
Debarking: Stripping bark from logs prior ro their being pulped.去皮: 制浆前,把树区性剥去树皮上的操作.Logs are useful in solving equations in which exponents are unknown.在不知道指数的情况下,采用对数解方程式非常有效.We set about inoculating the logs with shii...
A cigarette is still pluming in the ashtray.一支香烟仍在烟缸里吐着缕缕青烟.She hurled the ashtray across the room, narrowly missing my head.她用力把烟灰缸从房间那头扔过来，差点砸到我的脑袋。He knocked out his pipe in the big glass ashtray.他在大玻璃烟灰缸里磕净烟斗。I empti...