be worn out

基本解释

Visitor B:" Too much work. He must be worn-out."
访客B：”工作太多。牠一定累垮了。
These shoes haudio-videoe proven to try to be worn-out. They've lequallyted forever.
这些鞋已经磨破了。它们撑了永久了。
The invention relates to welding and overlaying and can be used for recovering worn-out parts of pieces like solids of revolution, in particular drill pipes.
本发明涉及焊接和堆焊，还可以用于修复回转体类型件，特别是钻杆的磨损部分。
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