Stec
abbr. Shiga toxin-producing Escherichia coli 产志贺毒素的大肠埃希杆菌; Storage and Transport of Expiosive Committee 炸药储藏及运输委员会; strains of Escherichia coli 大肠杆菌菌株
🗣️ 情景例句
I run my own company. I'm a big fish in a little pond.
我经营自己的公司。我是一条小池里的大鱼。
The classes are interesting, and the teachers are good.
那些课很有趣，老师又好。
Why?what happened.
为什么？怎么啦？