节点的左右子树的指针 Treap_Node left, right
他是十点钟左右到的。
警察局的调度员在早上十点半左右接到电话。
The police dispatcher received the call at around 10:30 a.m.
但是动物园里的长颈鹿在4点左右睡觉。
For those of you who don't realize it, it's now about 12:00 in the evening tomorrow in Beijing Yeah, so anyway, I'll probably fall asleep by about 10:30.
对那些没有注意到的人,请于明晚12点左右联系我,不管怎么说,我会在10点半左右睡觉。
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