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讲解：
way 与介词或副词连用
很远；大量:
She finished the race way ahead of the other runners.
她遥遥领先于其他选手跑到终点。
wrong (with sb / sth)
引起问题(或麻烦)；有毛病；不正常:
There's something wrong with the printer.
打印机出了故障。
have backup
增援；后援:
The police had backup from the army.
警方得到了军方的增援。
be tense
神经紧张的；担心的；不能松弛的:
He's a very tense person.
他是个神经非常紧张的人。
let sb / sth go | let go (of sb / sth)
放开；松手:
Don't let the rope go.
别松开绳子。
n. 食肉动物，掠夺者
