他种农作物主要是为了家庭自用。He raises crops mainly for the use of his family.也许可以将这种技术应用于其他农作物。It might be possible to extend the technique to other crop plants.受污染的水源会降低农作物产量。Polluted water lessens crop yields....
You are either very young or an incurable optimist.你要么非常年轻，要么是个不可救药的乐天派。Poor old William is an incurable romantic.可怜的老威廉是个无可救药的浪漫主义者。He is suffering from an incurable skin disease.他患有无法根治的皮肤病。...
Cost of a single AC - 130 U Gunship : $ 190 million.一架AC-130U型重型攻击机耗资1亿9千万美元.This effectively gave it a strike capability similar to that of an Apache helicopter gunship.这使得它有媲美阿帕奇武装直升机的打击能力....
Method: CBPI - M 25 - 0.25 capillary column and hydrogen flame ionization detector were selected.方法: 采用 CBP1 -M25-0.25石英毛细管柱,检测器为氢火焰离子化检测器.Word went out that a column of tanks was on its way.有消息说一队坦克已经出动了。Five pairs of c...