被击倒

Toxicity and repellent activity of several plant-based compounds on Blattella germanica were studied, results showed that rotenone, toosendanin and azadirachtin had stomach toxic effect on Blattella germanica, rotenone showed high stomach toxicity and all insects died after 8 hours, matrine also has deformative effect on Blattella germanica , matrine and toosendanin can affect oviposition of Blattella germanica; repellent activity of these botanicals was further studied, results showed that bering hydrochloridum, azadirachtin and sparteinehave had repellent activity against Blattella germanica, observation also showed that rotenone and bering hydrochloridum had high contact toxicity against Blattella germanica, the time of all insects knocked down were 8 and 48 hours.

选取了7种植物源化合物，测定了它们对德国小蠊的毒性和驱避性，结果表明，鱼藤酮、川楝素和印楝素对德国小蠊具有不同程度的胃毒作用，其中鱼藤酮乙酸乙酯溶液作用较强，8小时死亡率已达100％，川楝素和印楝素对德国小蠊也表现出一定的毒杀作用，观察还发现印楝素和苦参碱对德国小蠊的发育有致畸作用，苦参碱和川楝素影响其卵鞘形成；进一步对这几种化合物的驱避性进行研究，结果表明盐酸黄连素、鱼藤酮乳油和印楝素乳油对德国小蠊有不同程度的驱避作用，其驱避率分别为96.7％、51.3％和50.1％，另外观察到鱼藤酮乙酸乙酯溶液和盐酸黄连素对德国小蠊具有较强的触杀活性，供试虫全部被击倒的时间分别为8小时和48小时。

Drawing on all their past successes, the Songworthy invigorates himself with an ear piercing yell, a yell so powerful its force knocks down those nearby.

通过回想过去胜利的感觉来点燃自己的激情，兽人狂歌者发出了刺儿的叫声，这种叫声力量太大，以至于周围的人都会被击倒。

Virtually all of the top heavyweights of the last 15 years have been dropped or stopped, some more than once. Not Tua.

事实上，在过去15年中，所有的顶级重量级拳手都被击倒或者终结过，有的还不止一次，但没有图阿。

He was knocked out in the second round .

他在第二回合中被击倒。

He was knocked out in the second round.

他在第二个回合中被击倒。

He was knocked out in the third round.

他在第三个回合中被击倒。

When you proclaim yourself a fighter, you often get clobbered by something.

你一旦宣称自己是斗士，往往就会被击倒。

He went the distance after being floored in the first round.

他在第一回合被击倒在地，后来一直坚持到底。

The challenger was kayoed in the first round.

挑战者在第一个回合，就被击倒在地。

The challenger is kayoed in the first round. also K.O.

挑战者在第一个回合，就被击倒在地上。

As she looked at Warrington's manly face, and dark, melancholy eyes, she had settled in her mind that he must have been the victim of an unhappy attachment.

每逢看到沃林顿那刚毅的脸，那乌黑、忧郁的眼睛，她便会相信，他一定作过不幸的爱情的受害者。

Maybe they'll disappear into a pothole.

也许他们将在壶穴里消失