Secs
abbr. 半导体设备通信标准（SEMI Equipment Communication Standard）
🗣️ 情景例句
I started traveling twenty-four hours ago.
从出门到现在已经二十四小时了。
Flowers are blooming.
花朵绽放了。
And I want a large box of chalk, too.
我还要一大盒粉笔。