Vec
abbr. 血管内皮细胞（vascular endothelial cells）
🗣️ 情景例句
He was involved in a political scandal.
他被牵涉到了一宗政治丑闻中。
In secondary school, children get more advanced knowledge.
在中学，孩子们得到更高深的知识。
and the outer planets have temperatures near absolute zero and hydrogen-dominated atmospheres.
除此以外，太阳系的其他行星的温度都接近绝对零度，并围绕着以氢气为主的大气层。