定量供应很久以前就结束了饼干过剩的状况。Rationing had put an end to a surfeit of biscuits long ago.我们都得排队领取定量配给票证薄。We all had to queue up for our ration books.很多基本商品现在都要定量供给。能买到的东西越来越少。Many basic goods are now rationed. Less and less is ava...
A downpour of rain put out the children’s bonfire.一阵大雨把孩子们的营火都浇灭了。The seeds that had been sown were almost completely washed away by a sudden downpour.已经播下的种子几乎被一场突如其来的暴雨全冲走了。It was the heaviest downpour ever recorded.那是...
如果新梢生长很快,则根系生长显著减慢.If shoots grow rapidly the root growth rate decreases markedly.生长素主要是从旺盛生长新梢上正在发育的幼叶产生出来.Auxins are produced mainly by young developing leaves on actively growing shoots.以冬季扦插之发根与新梢生长情形最好.Rooting abili...