Yet they continued to crow about once a day—at intervals of 23.7 hours to be precise.

然而，它们仍然坚持每隔一天，确切来讲是23.7个小时报晓一次。

Roman qanat tunnels were constructed with vertical shafts dug at intervals of between 30 and 60 meters.

古罗马坎儿井隧道是用每隔 30 到 60 米开挖的竖井建造的。

At intervals of a minute she tossed restlessly from side to side, and indistinctly moaned words used in the game of chess.

每隔一分钟， 她就不安地左右翻来覆去， 含糊不清地呻吟着象棋游戏中使用的单词。

(g) A vessel at anchor shall at intervals of not more than one minute ring the bell rapidly for about 5 seconds.

(g) 停泊的船舶应每隔不超过一分钟快速鸣钟约 5 秒。

And as a consequence of that, if I show you a series of pictures at intervals of 20 or 30 per second, you get the sense of a continuous image.

因此，如果我以每秒 20 到 30 张的间隔给你看一系列图片，你就会产生看到了连续图像的感觉。

The avalanche taluses, leaning against the walls at intervals of a mile or two, are among the most striking and interesting of the secondary features of the Valley.

每隔一两英里靠在墙上的雪崩滑石是山谷次要特征中最引人注目和最有趣的。

This instinct may probably be accounted for by the fact of the hens laying a large number of eggs, but, as with the cuckoo, at intervals of two or three days.

这些是由雄性孵化的。 这种本能可能是由于母鸡产下大量鸡蛋， 但与布谷鸟一样， 每隔两三天产一次蛋。

He called the turnkey who was devoted to him, and sent sent him two or three times at intervals of one hour to see if the priest was still by the prison gates.

他叫来对他忠心耿耿的狱卒，每隔一小时派人派他来两三次，看看神父是否还在监狱门口。

Every clear, frosty morning loud sounds are heard booming and reverberating from side to side of the Valley at intervals of a few minutes, beginning soon after sunrise and continuing an hour or two like a thunder-storm.

每一个晴朗、寒冷的早晨，每隔几分钟就会听到隆隆声从山谷的一侧到另一侧回荡，从日出后不久开始，持续一两个小时，就像雷雨一样。

(b) A power-driven vessel underway but stopped and making no way through the water shall sound at intervals of not more than 2 minutes two prolonged blasts in succession with an interval of about 2 seconds between them.

(b) 航行中但已停止且无法通过水域的机动船舶，应以不超过 2 分钟的间隔连续鸣响两次长鸣声，两次鸣响之间的间隔约为 2 秒。

In pursuing my studies, I have crossed from side to side of the range at intervals of a few miles all along the highest portion of the chain, with far less real danger than one would naturally count on.

在我的研究中，我沿着链条的最高部分以几英里的间隔从一侧到另一侧越过山脉，真正的危险远没有人们自然预期的那么大。