Siu
abbr. 国际海员工会（Seafarers' International Union）；系统接口单元（System Interface Unit）
🗣️ 情景例句
What was that?
你说什么？
His failure was a lesson to us.
他的失败是我们的一个教训。
I hope our dreams come true.
我希望我们的梦想成真。