exchange of substance的用法和樣例：
例句
- The sertoli cell is the central point of exchange information and material.
支持細胞在生精細胞發(fā)育中，處于信息和物質(zhì)交換的中心地位。 - The gold deposits in this area have been believed to be the products of crust-mantle exchange and resulted from multistage gold mineralization.
該地區的金礦被認為是殼幔物質(zhì)交換的產(chǎn)物，并且是多階段金礦化的結果。
