Papilionidae
凤蝶科
🗣️ 情景例句
What is your cancellation policy?
我怎么退票？
Mr. Smith is still in his fifties.
史密斯先生仍然50几岁。
since ground stations and satellites cannot see everywhere.
因为地面工作站和卫星不可能看到地球上的每一个地方。