Adamancy
n. 坚硬, 坚强
🗣️ 情景例句
What do you think of life in Beijing?
您觉得北京的生活怎么样？
Do you fly to Dallas on Sunday?
星期日你们有班机去达拉斯吗？
Which may keep company with the vessel for an hour without visible or more than occasional movement of wing.
它们随船飞行一小时也难得见其扇动一下翅膀。