新东方背诵文选 Lesson 34:Raising Oysters
Raising Oysters In the oysters were raised in much the same way as dirt farmers raised tomatoes- by transplanting them. First, farmers selected the oyster bed, cleared the bottom of old shells and other debris, then scattered clean shells about. Next, they “planted” fertilized oyster eggs, which within two or three weeks hatched into larvae. The larvae drifted un...