Surjection
[数]满射
🗣️ 情景例句
Hello. This is an emergency. Can you please send an ambulance?
喂，这儿有急病患者，请派一部救护车来。
In every rank, great or small, 'Tis industry supports us all.
不论高的低的各级人士，所持的都是勤劳。
Thanks, Carol.May I have a glass of beer please?
谢谢，卡罗尔。给我一杯啤酒好吗？