Siu
abbr. 国际海员工会（Seafarers' International Union）；系统接口单元（System Interface Unit）
🗣️ 情景例句
Michelle.
Michelle。
An inch in a miss is as good as an ell.
错无分大小，有错皆不好。
Just a minute. She's taken the bag that usually sits on top of the cupboard.
等等。她带走了通常放在壁橱顶上的包。