1.Until then, the only ones available were weather vanes, to determine the wind direction and early versions of rain gauges.

在此之前，唯一可的仪器是风向标，定风向和早期版本的雨量计。

2.He wore it about where a house wears a wind vane.

他把它戴在房子有风向标的地方。机翻

3.This is why some chimneys are equipped with helical vanes to create turbulence and break up the vortices.

这就是为什么一些烟囱配备了螺旋叶片来产生湍流并打破涡流。机翻

4.He used valve and vane to help vaporize vanilla.

他电子管和风向标来帮忙蒸发香草。

5.Other birds which don't have this velvet or vane fringes are louder while flying.

其他没有这种茸毛或羽状边缘的鸟类在飞行时声音会更大。机翻

6.When the weather vane changes direction.

改变方向时会是什么状况。

7." What is CHOAM but the weather vane of our times, " the old woman said.

“CHOAM 是我们时代的风向标， ” 老人说。机翻

8.He supervised his gristmill, nail factory, and furniture shop; built a dumbwaiter and weather vanes; and delighted in spoiling his beloved great-grandchildren.

他管理着自己的磨坊、制钉厂和家具店;制造了哑巴服务员和风向标;并乐宠坏他心爱的曾孙。机翻

9.Over the parapet showed quaint and fanciful little buildings, which I supposed to be booths or shops, beset with painted and gilded vanes and spirelets.

栏杆上方是古色古香的小建筑物， 我认为它们是摊位或商店， 周围环绕着彩绘和镀金的叶片和尖顶。机翻

10.Today, the typical feather consists of a central shaft, called a rachis, with serial paired barbs forming a flat, curved surface, which is called a vane.

今天，典型的羽毛包含一个中心轴（称为羽轴），还有连续成对的羽支形成平坦弯曲的表面，这被称为叶片。

11.The second is that the weather vane of the spire of Notre - Dame de Paris was originally a metal - made rooster.

第二个是巴院尖顶的风向标最初是一只金属制成的公鸡。机翻

12.Ho! again! —drive off that hawk! see! he pecks—he tears the vane”— pointing to the red flag flying at the main-truck—“Ha, he soars away with it!

嚯！又来了！——把那只鹰赶走！看！它在啄——在撕扯风信旗——”他指着主桅冠上飘舞的红旗，“哈！它叼着它远走高飞了！

13.The central part of the feather became a hardened structure called a rachis, with lots of little barbs and barbules, creating the vanes of the feather.

羽毛的中央部分变成了一种称为羽轴的硬化结构，上面有许多小倒钩和小枝，形成了羽毛的叶片。机翻

14.Owls have special adaptations, from vane fringes to velvet on top of their wings, which reduce turbulence and minimize friction between the individual feathers.

猫头鹰具有特殊的适应能力， 从羽状边缘到翅膀顶部的天鹅绒，可以减少湍流并最大限度地减少单个羽毛之间的摩擦。机翻

15.These goals and key areas are not only the guiding principles for the local areas but also the vane of resource allocation, which are crucial for personal development and choices.

这些目标和重点领域不仅是当地地区的指导原则，也是资源分配的风向标，对个人发展和选择至关重要。机翻

16.They trudged up the misty field between long rows of tents. Most looked almost ordinary; their owners had clearly tried to make them as Muggle-like as possible, but had slipped up by adding chimneys, or bellpulls, or weather vanes.

他们费力地走在薄雾的营地上，从两排长长的帐篷间穿过。大多数帐篷看上去没什么特殊，显然，它们的主人费了心思，尽可能把它们弄得和麻瓜的帐篷一样，可是有的一不小心做过了头，画蛇添足地加上了烟囱、拉铃绳或风向标，弄得不伦不类。