产于非洲南部的树眼镜蛇，由于其咬人迅速敏捷而令人恐怖。
Southern African mamba dreaded because of its quickness and readiness to bite.
在该工厂里这样一起工作的“团队”有十或十二个，其中有一个特别出名地配合娴熟、迅速敏捷。
While there were ten or twelve of these "teams" that worked together, one in particular was known for its perfect coordination and lightning-like efforts.
在他20岁时，他没有现在这样强壮、迅速、敏捷。
At 20 years old he was not as strong, as fast, as agile as he is now.
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