Supracardinal veins
[醫] 上主靜脈
?? 詞語組成解析
n. 紋理；靜脈（vein的復數）
??? 情景例句
Good night, Son.
晚安， 孩子。
Just to be on the safe side.
為安全起見。
It is almost always due to some very special circumstances that traces of land animals survive,
幾乎總是由于某些特殊的條件，陸地動物的遺體才被存下來，