Erosive action is achieved at each contraction where a pair of opposing vanes are installed.在每个收缩区段中相对地设置一对叶片,都起到了冲洗作用.He warned there would be a 'social explosion' if the army installed another puppet prime mi...
它的叶子在灼热的阳光下微微耷拉着。Its leaves drooped a little in the fierce heat of the sun.用销钉在顶上加固防护网，防止叶子落入。Peg down netting over the top to keep out leaves.玫瑰的叶子因为闹虫害而卷边了。The rose leaves have curled because of an attack by grubs....
Whether older women miscarry more often or whether they report more miscarriages is a debatable point.究竟是年纪大的女性更容易流产还是她们报告了更多流产事例，这一点仍存在争议。Miscarriages are usually caused by abnormal chromosome patterns in the fetus.流产通常...