The police stenographer recorded the man's confession word by word.警察局速记员逐字记下了那个人的供词.The court stenographer registered the trial proceedings.法庭速记员记录下了审判进程.The stenographer may be either a hotel employee or an employ...
催化剂是一种能加速化学反应的物质.A catalyst is a substance which speeds up a chemical reaction.各种陶土管用作转化催化剂的载体.Various ceramic materials have been suggested as supports for reforming catalyst.经过泡水试验,催化剂应不开裂或破碎.To pass the water test the...
航行一直很顺利，直到他们碰上了商船的尾流。The ride was smooth until they got into the merchant ship's wake.我一碰上悲伤的事物就难以控制情绪。I overreact to anything sad.很奇怪,我在这儿碰上他了.It is very extraordinary that I should meet him here....