Indexed set
[计] 加标集合
🧩 词语组成解析
a. 编入索引的；有索引的
set
[sɛt]
vt. 放置，安置;使处于某种状况;设置;摆放餐具;
vi. 落山;出发;凝结;
n. 一套，一副;集合;布景;电视机;
adj. 固定的;位于…的;顽固的;安排好的;
🗣️ 情景例句
Would you like some coffee?
要不要来点咖啡？
The darkest hour is that before the dawn.
黎明前是最黑暗的时刻。
This is because they had no natural enemies until the arrival of humans and therefore did not need to develop flying wings.
这是因为人类到达这里之前，这些鸟没有天敌，因此，它们不需要发育飞行的翅膀。