例句與造句

1. The rockefeller foundation ' s bet on dwarf wheat and penicillin ensured that billions of people were fed and kept healthy
   洛克菲勒基金會(huì)在矮生小麥（譯注3 ）和青霉素上的投入給了上億人食品與健康的保障。
2. It's difficult to find dwarf wheat in a sentence. 用dwarf wheat造句挺難的