Preparation of salicylic hydrazide . Controlling material mole ratio and the product recrystallization is the key.水杨 酰肼的制备控制原料的摩尔比、产物的重结晶是关键....the degradation of salicylic acid in plants.植物中水杨酸的降解Topical ointments and c...
我们驶离公路，再次在山腰上颠簸前行。We left the road, and again bumped over the mountainside.我们担心稍微颠簸一下就可能会使她的伤势恶化。We were worried that one tiny jolt could worsen her injuries.这辆旧卡车在蜿蜒的公路上缓慢地颠簸前行。The old truck stuttered along the winding ...
Berths on steamships can be booked a long while in advance.轮船上的床位可以提前多日预订.The sailing ships were superseded by the steamships.帆船已被汽船所取代.Before they were replaced by steamships, sailing vessels like Cutty sark were used t...
Coal and steel were the region's lifeblood.煤炭和钢铁曾是这个地区的生命线。Small businesses are the lifeblood of the economy.小型企业是经济的生命力所在。Tourism is the lifeblood of the city.旅游业是这座城市的命脉。...
Once at Elgin day-trippers visit a number of local sights.一到达埃尔金，一日游的游客就参观了一些当地的风景名胜。She retained a number of copies for further annotation.她保留了许多副本以便作进一步的注解。He was ably assisted by a number of other members.他得到其他一些成员的鼎力...
我从藏身的地方可以听到他捅刀子时的喘息声.From my place of ambush, I could hear him pant aloud as he struck the blows.这样的恶毒谎言简直是背地里向人捅刀子.Such a vicious lie could be nothing but stab in the back....
I look to my parents when I need help.当我需要帮助时我依赖我的父母.Look to it that you are here in time tomorrow.你明天一定要按时到达这里.Would you look to the children, please ?请你照料这些孩子好 吗 ?...
不要把未冲洗的胶卷暴露在光照下.Don't expose undeveloped film to light.他开始在16岁时, 在冲洗的工厂工作放学以后.He started at age 16, washing out the plant after school.一种模仿水彩冲洗的蚀刻方法.A thin layer of water color ink spread on a drawing....