Waas
abbr. wide area augmentation system 广域（全球定位系统）增强系统; World Academy of Art and Science 世界艺术与科学学会
🗣️ 情景例句
My favorite food is pork chops.
我最喜欢的食物是小猪排。
I'd like a refund.
我要想退款。
I have 4 books and 2 magazines to check out.
我有4本书和2本杂志要借。