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 don't know what you are driving at.
我不知道你到底想说什么。
If I had had time,I would have called you.
如果我有时间，我就打电话给你了。
It took me over half an hour to get rid of him.
我花了半个多小时才摆脱了他的纠缠。