空气防止了催化式排气净化器的过载及可能产生的损坏.The air guards the catalytic converter from overload and possible resulting damage.废气中大量的HC会损坏催化式排气净化器.The high level of HC in the exhaust gas may damage the catalytic converter.如何于本中心推介之产品内选择最适合...
我一想到可能发生的事就满心欢喜。I go all tingly when I think of what might happen.我感到非常放松，无比欢喜。I felt a tremendous sense of relief and exultation.他们空欢喜一场.They have rejoiced too soon....
如果我给点暗示，他没准会送我一段插枝。If I drop a few hints he might give me a cutting.7月或8月时从它上边剪一些插枝。Take cuttings from it in July or August.有些插枝易于生根.Some cuttings root easily....