Vec
abbr. 血管内皮细胞（vascular endothelial cells）
🗣️ 情景例句
You are a terrific instructor, Jack.
你真是个了不起的教练 Jack。
Whose responsibility are the shipment charges?
运费由谁来负责呢？
I don't think there are. But there are more men than women scientists. And more men than women are heads of companies.
我想没有。但是，男科学家比女科学家多。而且，各公司的负责人中，男人要比女人多。