Aphthoid
a. 像口疮的, 似小溃疡的
🔁 扩展释义
【医】 口疮样的; 口疮样疹
🗣️ 情景例句
when is your plane reservation for your flight to Athens?
飞Athens订的是什么时候的班机？
It's cold this afternoon.
今天下午很冷。
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。