tertial
US /ˈtɜːrʃəl/
UK /ˈtɜː.ʃəl/
名词
三级飞羽, 内侧飞羽
a flight feather of a bird that is attached to the humerus and is part of the inner wing, typically shorter than the primaries and secondaries
示例:
•
The bird's tertial feathers were clearly visible during its flight.
这只鸟的三级飞羽在飞行中清晰可见。
•
Identifying the pattern on the tertial feathers can help in bird identification.
识别三级飞羽上的图案有助于鸟类识别。
形容词
三级飞羽的, 第三的
relating to or being a tertial feather
示例:
•
The ornithologist examined the tertial pattern of the bird for identification.
鸟类学家检查了鸟的三级飞羽图案以进行识别。
•
The tertial feathers are important for aerodynamic stability.
三级飞羽对于空气动力学稳定性很重要。