The natives used to hammer the metal into arrowheads using heavy stones.土著人以前总是用沉重的石头把这种金属锤打成箭头.Arrowheads on the lines indicate the direction in which the taugent is to be drawn.电力线上的箭头表示所要画的切线方向.Bronze weapons: spears,...
马铃薯是块茎植物.The potato is a tuber plant.由这类马玲薯产生的块茎中茎斑驳症状不易观察到.In tubers from such potatoes stem mottle symptoms are rarely observed.芽长成新株,新株生出新的块茎.The buds grow into new plants which produce new tubers....
I was a little breathless and my heartbeat was bumpy and fast.我有点儿喘不上气，心脏咚咚地快速跳动着。We were breathless with anticipation.我们满怀期待，激动得快要无法呼吸。Chess fans around the globe watched the match with breathless interest.全世界的棋迷都屏息静观这场...