Tail covert
【鸟类学】尾部复羽
🧩 词语组成解析
tail
[teil]
n. 尾;尾部;燕尾服;尾随者;
vt. 跟踪;装上尾巴;
vi. 队伍单行行进时拉长或产生间隔;侦察队两两散开;[建筑学] 嵌上，搭上;
🗣️ 情景例句
OK. Keep those knees up.
好 ，膝盖抬高。
It was after dark when we got back,and we were all tired.
我们回来时天已经黑了，并且我们都很疲倦。
What is more, they will not have to rely solely on the written word.
而且，也不必完全依赖文字材料。