Nefud
沙丘荒漠, 大沙漠
🗣️ 情景例句
It's not easy,
实在不容易。
What's matter with you?
你有什么问题吗？
Ships may be delayed by storms; flights may be cancelled because of bad weather, but trains must be on time.
轮船船期可能因风暴而推延，飞机航班可能因恶劣天气而取消，唯有火车必然是准点的。