Objective To evaluate the control effects of twelve rich - d - trans allethrin coils and allethrin coils against mosquitoes. 目的测试以富右旋反式烯丙菊酯和烯丙菊酯为有效成分不同品种盘香对淡色库蚊的防治效果.
She was tangled in a snarl of logs and branches.她被困在一堆乱七八糟的木料和树枝中间。logs for the fire烧火用的木材The logs were knocked together as they floated down the stream.圆木顺流而下时互相碰撞着....
Help Rebecca refurbish a rundown castle and turn it into a pizza palace!帮助丽贝卡再磨光减少城堡并且把它变成薄饼宫殿!Babbit's view is the voice, as novelist Rebecca West has said, " of a bonehead Walt Whitman ".正如小说家丽贝卡?韦斯特所说的那样, 巴比特发表的意...
Was he afraid, he was asked. "Afraid of what?" he retorted.有人问他是否害怕。“害怕什么？”他反问道。She retorted upon me, saying I was to blame.她反驳我, 说我才应该受责备.She retorted upon him, saying he was to blame.她反驳他, 说他不好....
He always had a yearning to be a schoolteacher.他一直渴望当老师。a yearning for a quiet life对宁静生活的向往He felt a great yearning after his old job.他对过去的工作有一种强烈的渴想....
Outdoors, mosquitoes and midges were a perpetual torment.在户外，蚊子和蠓虫永远让人不得安生。The breeze died away; midges began to bite.风息了; 蛟蚋开始叮人.Methods: To collect midges with bed - curtain , insect net and light trap.方法: 采用帐诱、灯诱和挥网采集...