He was too distressed to talk.他伤心得讲不出话来。She was too exhausted and distressed to talk about the tragedy.她太累了，而且无比悲伤，没法谈论那场悲剧。He felt troubled and distressed.他感到烦恼苦闷。I feel very alone and distressed about my problem.对自己的问题...
Sedge is similar in appearance to grass but has a solid rather than a hollow stem.莎草看上去和普通的草没什么两样，但其草茎是实芯的而不是空芯的。Meyer Sedge fiber is a new type of green fiber.乌拉草纤维是一种新型的绿色环保纤维.Sedge grows in marshes or near water.芦苇生长在...