tertial
US /ˈtɜːrʃəl/
UK /ˈtɜː.ʃəl/
名詞
三級飛羽, 內側飛羽
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
範例:
•
The bird's tertial feathers were clearly visible during its flight.
這隻鳥的三級飛羽在飛行中清晰可見。
•
Identifying the pattern on the tertial feathers can help in bird identification.
識別三級飛羽上的圖案有助於鳥類識別。
形容詞
三級飛羽的, 第三的
relating to or being a tertial feather
範例:
•
The ornithologist examined the tertial pattern of the bird for identification.
鳥類學家檢查了鳥的三級飛羽圖案以進行識別。
•
The tertial feathers are important for aerodynamic stability.
三級飛羽對於空氣動力學穩定性很重要。