A suitcase is a big bag for travelling, usually in a square shape with a handle, and the trunk is the back compartment of the car.
大型的行李箱一般我们习惯把它放在汽车的后背箱中。如果箱子太大了就很难放进去了。
To use it, loop the scale's strap around the suitcase handle and lift the scale and bag off the ground for a few seconds.
使用它，让称带圈住手提箱的把手，提起称，使行李离地几秒钟。
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