一节沟槽a length of guttering一些砂洲和沟槽在低潮位时,露出于水面.Some of the bars and troughs are exposed by low tide.极耳产生一种 “ 压力 ” 作用与沟槽侧边相接触.The lug produces a " pinched " effect contact with the groove side....
Some species of genera Aglaia, Trichilia and Toona contain very effective limonoids against insects as well.来自楝属 、 印楝局的植物在杀虫活性、有活性种类数量方面高于其它属,米仔兰属、鹧鸪花属和香椿属的植物也有较高的杀虫活性....
Beauty is an attitude. It has nothing to do with age.美是一种态度，与年龄无关。English has hurt me a thousand times, but I still regard it as my first love.英语伤我千百遍，我待英语如初恋。A changing world has put pressures on the company.日新月异的世界使这家公...
After a few weeks with her parents, she felt she was suffocating.和父母呆了几个星期后，她感到自己毫无自由。That's better. I was suffocating in that cell of a room.这样好些了，我刚才在那个小房间里快闷死了。The afternoon heat was suffocating.下午热得让人透不过气来。...