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- Bait with 40000 nematodes per plant killed 68.53%of black cutworm on average. 毒饵法（线虫剂量为40000条.;株-1）防治小地老虎的田间平均防治效果可达68
- The black cutworm [Agrotis ypsilon (Rottemberg)] is a cosmopolitan important underground pest with a wide distribution in China, which can attack many kinds of seedlings of crops and trees. 摘要小地老虎是世界性的重要地下害虫，在我国分布广，食性杂，可危害多种农作物幼苗和苗木。
- Effects of temperature on laboratory population of black cutworm 不同温度对小地老虎实验种群的影响
- Virulence test of Bacillus thuringiensis on black cutworm 苏云金杆菌对小地老虎的毒力测定
- He was in black from crew to earing. 他全身上下都穿着黑衣服。
- He whipped up a pistol and shot at the black bear. 他急忙抓起手枪，向那头黑熊射击。
- Many people were taken off by the Black Plague. 许多人被黑死病夺去了生命。
- The man is carrying a small black plastic handbag. 这个人提着一个黑色的小塑料提袋。
- The old trade in black ivory is on more. 昔日非洲黑奴的买卖已不复存。
- The black sedan suddenly drew out into the traffic. 黑色轿车突然开动，驶进了车流。
- I have a snag in my best black tights. 我最好的一条黑裤袜给划破了。
- He fell down the stairs and was all black and blue. 他从楼梯跌下而青一块紫一块了。
- Black and white show a striking contrast. 黑和白形成明显的对比。
- She buy a black nightie to wear on her honeymoon. 她买了一件黑色睡衣准备在蜜月时穿。
- ULTRASTRUCTURE AND SECRETORY FUNCTION OF THE MESODERMAL REPRODUCTIVE TRACT AND ACCESSORY GLANDS IN THE ADULT MALE BLACK CUTWORM, AGROTIS YPSILON 小地老虎雄蛾中胚层生殖道和附腺的细胞结构和分泌功能
- Jim staked all his money on the black horse. 吉姆把所有的钱都押在那匹黑马上了。
- During the war we had to black out all our windows. 战时我们必须用黑布遮着窗口以免透光。
- My brother is the black sheep of the family. 我弟弟是我们家的害群之马。
- The lorry skidded on a stretch of black ice. 货车在薄冰路面上打滑。
- The public scandal left a black mark on his career. 这一尽人皆知的丑闻给他的事业留下了污点。
