Vec
abbr. 血管内皮细胞（vascular endothelial cells）
🗣️ 情景例句
At least you've got a roof over your head.
至少你现在有电瓦遮头。
If they say you are good, ask yourself if it be ture.
若有人称赞你，要自问对不对。
You're very professional.
你非常专业。