-st
suf. 用以构成第二人称单数陈述语气; 序数词“第一”(first)的符号：the 1stday
🧩 词语组成解析
[计] 段表, 状态, 系统测试, 直端连接器\\n[化] 磺胺噻唑
🗣️ 情景例句
And Dad called the ASPCA.
爸爸打电话给ASPCA。
How many of these are you going to send him?
你要送多少给他？
What did you write on it?
你在贺卡上写了什么？