flint maize

同根派生

A diallel study including three inbred lines each of dent and flint maize as parents were grown in the spring and fall crop seasons.
以玉米三個(gè)硬粒種及三個(gè)馬齒種之全互交為材料，分別種植于春作及秋里作，探討期作對生長分化等性狀基因表現(xiàn)之影響，其結(jié)果摘要如下。
This layer of rock contains a lot of flint.
這一巖層中有大量燧石。
Maize is widely planted in the America.
玉米在美洲廣泛種植。
Your cigarette-lighter needs a new flint.
你的打火機(jī)需換新電石了。
At that time they have learn to strike fire from flint.
那時(shí)他們已學(xué)會(huì)了用燧石打火。