Cesa
abbr. Canadian Engineering Standards Association 加拿大工程标准协会
🗣️ 情景例句
Hello, Air China Flight Reservations. May I help you?
喂，你好，中国航空公司订票处，需要帮忙吗？
How many bottles are you going to buy?
你要买几瓶？
and as the number of stars in the universe is so vast,
因为宇宙中恒星的数目极其庞大，