遍山的长寿花, 就是现在的人参.The longevity flower people say , is today's ginseng.只是一株长寿花, 而非希腊少年.A jonquil, not a Grecian lad.所以, 它因好养 、 花期长而得名——长寿花.Therefore, it is because of good support, and long flowering period is named -...
The aphid is now laying waste to the wheat and barley fields.蚜虫正在毁掉一片片的小麦和大麦田地。Since aphid population may become resistant to organophosphorus compounds, avoid excessive spraying.因为蚜虫类对有机磷化物能产生抗性, 所以要避免过多的喷洒.Aphid count ...