Topicality
n. 时事性, 时事性话题
✅ 同义词
📖 牛津释义
topicality
n[U].
🗣️ 情景例句
Give me a cup of coffee, please.
请给我一杯咖啡。
What was the weather like yesterday?
象昨天一样的天气？
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。