Secs
abbr. 半导体设备通信标准（SEMI Equipment Communication Standard）
🗣️ 情景例句
OK. Now, I have ... first ... a couple of questions here.
好， 现在，我有……第一……几个问题。
Do you plan to do some odd jobs?
你打算打工吗？
It's a pencil-box.
一只铅笔盒