这块布被蠹虫蛀坏了.This piece of cloth was eaten by a moth.二是松毛虫 、 森林鼠害 、 杨树食叶害虫等常发性病虫害;三是小蠹虫 、 萧氏松茎象等钻蛀性害虫.The key pests and rat and pine moth, forest rats, defoliator of the poplars , bristletail.综述了信息素在小蠹虫综合治理中的应用进展.The advanc...
If I could just make another small point about the weightlifters in the Olympics.请允许我就有关奥运会举重运动员的问题再补充一点。What do you think of the standard of the top Chinese weightlifters?你认为中国顶尖举重运动员的水平如何?What is the optimum starting a...
We'd eat during the hot summer evenings on the front porch.在炎热的夏夜，我们会在屋前走廊上吃晚饭。She huddled inside the porch as she rang the bell.她按门铃时身子在门廊里缩成一团。I went out there on the front porch.我出来走到前廊上。...