Verticillaster
n. [植]轮状聚伞花序, 轮伞
🗣️ 情景例句
That's irrelevant.
那不相干。
There isn't much room for doubt in this matter.
关于这件事，不大有质疑余地。
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。