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....
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...