N-COUNT A backpacker is a person who goes travelling with a backpack. 背包客
Foreign back-packer : You can do it. But do work hard on your English to make it easier.
外国背包客 ：你可以做的，不过你要先学好英语，这样会容易一些。
So cool. I want to be a back-packer when I grow up.
真的很酷。等我长大了我也要做一名背包客。
A hydraulic setting anchor of type GY241, and a double packing ZY331 back washing packer features in self pack and rubber sleeve pack are developed.
研制了液压坐封gy241型锚定器和“自封与压缩胶筒”双重密封的ZY331型反洗封隔器。
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