Bijective
[计] 双射的
🗣️ 情景例句
for a cheeseburger and french fries?
吃一顿芝士汉堡和炸薯条？
Hello, it's a pleasure to meet you all.
你们好，很高兴见到大家。
Let me see. It's about four thirty.
我看看，大约四点半了。