Precursory cartiiages
[醫] 骨化軟骨, 暫時性軟骨
?? 詞語組成解析
a. 先驅的, 前兆的
??? 情景例句
Dogs make great pets, but don't leave them alone with small children.
狗是最好的寵物，但不要讓狗和小孩子單獨在一起。
Soon up, soon down.
升得高，落得快。
his name will probably remain immortal, for on November 21st, 1964, the longest suspension bridge in the world was named after him.
但他的名字將流芳百世，因為1964年11月21日建成的一座世界上最長的吊橋是以他的名字命名。