Mucinoid
类粘蛋白
🗣️ 情景例句
It's good to meet you.
很高兴见到 。
Did you burn yourself?
你自己烧伤的？
English is spoken as a first language by most people in the USA, Great Britain, Canada, Australia and New Zealand.
在美国、英国、加拿大、澳大利亚和新西兰，大多数人都把英语做为第一语言。