Pteryla
n. [鸟]羽区(指鸟的生羽部位)
🗣️ 情景例句
You go first, Marilyn.
你先讲 Marilyn。
It was a six-hour flight.
它要6小时的飞行。
We are always willing to cooperate with you and if necessary make some concessions.
我们总是愿意合作的，如果需要还可以做些让步。