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
Where did you come from?
你从哪里来？
Are you watching TV now?
你在看电视吗？
and found our then prevailing primitive state completely uninteresting to their own advanced knowledge.
并且发现我们地球当时普遍存在着的原始状态同他们先进的知识相比是索然无味的。