He had to lean on Dan to keep from falling.他不得不靠在丹身上以免摔倒。I horse around quite a lot, just to keep from getting bored.我胡闹了一阵儿, 只是为了摆脱厌烦.He couldn't keep from laughing.他禁不住笑了....
From this it appears that bisulfite concentration and PH have opposite effects on oxidation.由此看来,亚硫酸盐的浓度和PH值,对氧化的作用是相反的.Feed additive -- Vitamin K 3 ( menadions sodium bisulfite )GB7294 -1987 饲料添加剂维生素K3 ( 亚硫酸氢钠甲萘醌 )Dendr...
He returned from hospital to find thieves had ransacked his home.他从医院回来，发现家里被小偷洗劫一空。He ransacked his extensive vocabulary in order to find opprobrious names to call her.他从他的丰富词汇中挑出所有难听的话来骂她.I ransacked the house looking ...
Many genes are involved in the formation of anthocyanin pigments in the aleurone.糊粉层中花青素的形成涉及到许多基因.The determination of anthocyanin and its degradation index ( DI ) in lychee are studied.本文研究了荔枝果皮总花色 苷 及其降解指数的含量测定.That d...