Siu
abbr. 国际海员工会（Seafarers' International Union）；系统接口单元（System Interface Unit）
🗣️ 情景例句
It is generally believed that Chinese are poor public speakers.
一般认为中国人不擅长公众演讲。
The doctor said it's just a slight infection, There's nothing to worry about.
医生说只是轻微的感染，不需要担心。
Oh, hi, Jim!
噢，你好，吉姆！