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→jia1kuai4 • jiākuài
to speed up
speed up, to accelerate, accelerate, to quicken, quicken
他 加快 了 脚步。
He sped up his pace.
我们 必须 加快 工作 的 速度。
We must speed up the pace of work.
跑步 时， 他 的 心跳 会 加快。
His heartbeat speeds up when he runs.