Seac
abbr. 学生环境行动联合（Student Environmental Action Coalition）；标准电子自动计算机（Standard Electronic Automatic Computer）；疯牛病顾问委员会（Spongiform Encephalopathy Advisory Committee）
🗣️ 情景例句
Yes, it is.
是的。
It's the kind of work I've always wanted to do.
它是我常常想做的工作。
I know that he's doing his best, but he says that he is a little weak in Chinese.
我知道他非常努力，但他说他的中文有点儿差。