Vec
abbr. 血管内皮细胞（vascular endothelial cells）
🗣️ 情景例句
But I am thinking about myself.
但我就是在为自己着想呀。
No pleasure without pain.
没有无痛苦的欢乐。
Could I drop in at your house after the concert, or would that be too late?
我可不可以在音乐会开完后去你家拜访？那会不会太晚了？