to sit
to put our bottom on something like a chair or the ground while keeping our back straight
坐下
[动词]
to run
to move using our legs, faster than we usually walk, in a way that both feet are never on the ground at the same time
跑得快
[动词]
in front of
in a position at the front part of someone or something else or further forward than someone or something
跟前
[介词]
on
used to show that an object is physically in contact with or attached to a surface or object
于
[介词]
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