Vec
abbr. 血管内皮细胞（vascular endothelial cells）
🗣️ 情景例句
John Philip Sousa. John Philip Sousa
的曲子。
Mac always has to run to catch his train.
麦克常常为了赶乘火车而奔跑。
One evening, however, the lamb was missing.
可是，一天晚上，那只小羔羊失踪了。