Sec
[ [sek] ]
初中 Junior High
[计] 秒, 辅助\\n[化] 尺寸排阻色谱法
📖 牛津释义
sec
n
(Brit infml 口) = second3 2. sec, abbr 缩写 =
1 secondary.
2 secretary.
🗣️ 情景例句
I'm thirty.
我三十岁。
How long could the buyer expect your product to last?
购买者期望你们产品的使用期是多久呢？
What about the Natural History Museum? So far as I know, it's free.
去自然历史博物馆怎么样？据我所知，那儿是免费的。