When I put a test branch in the tube, I aligned the zero degree mark on one compass to match up with the first offshoot branch.

我把被测试的树枝放入这个试管，将一支量角器的零刻度线对准第一个侧枝。

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They can go from 40 miles an hour to zero and land on a branch that’s moving, all in a couple of seconds.

在几秒种的时间里，它们便能将飞行速度从64公里每小时减为零，并落在树枝上。

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brnz stands for "branch relative if not zero."

brnz 代表的是 “branch relative if not zero”。

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"We know safety-wise, there's zero question, " said Dr. Gary Hankins of the University of Texas Medical Branch in Galveston, who headed one of the company-financed studies of Diclegis that led to its approval.

NPR: FDA Approves Return Of Drug For Morning Sickness