Troops fired on demonstrators near the Royal Palace causing many casualties.军队在皇宫附近向示威人群开枪，造成大量伤亡。The manager fired an old staff yesterday.经理昨天解雇了一名老职员。Energy projectors fired and peeled off the ships'armor in a fla...
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...