它有三条腿。
A white dog on three legs yelps past the gate.
一条三只腿的白狗叫着从大门边走过。
“这只狗缺条腿”。
What's that thing with three legs?
那个有三只脚的是什么东西？
They function like three legs of a tripod; it is essential to cultivate all three.
他们的功用就像三脚架的三只脚，三个都必须全面加以开展，缺一不行。
They function like three legs of a tripod; it is essential to cultivate all three.
他们的功用就像三脚架的三只脚，三个都必须全面加以开展，缺一不行。
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