加入好的淀粉溶液指示剂,这时溶液变成兰色.Upon the addition of a good starch indicator a blue solution results.指示剂选择不适当可能给音量分析带来重大误差.Improper choice of indicators can introduce serious errors into volumetric work.目前蔬菜的热烫终点以过氧化物酶作为指示剂来确定.Pres...
He sustained serious neck injuries after he broke someone's fall.有人坠落压在他身上，致使他颈部受重伤。He had sustained a cut on his left eyebrow.他左眼眉上留下了一道疤。"I very much regret the injuries he sustained," he said.“我对他的受伤感到很遗憾，”他说。...
The ack - ack guns started immediately.高射炮立即开始发射.In our dearth of ack - ack guns all sorts of contrivances were used.在缺少高射炮的时候,我们利用了各种各样的巧妙方法.ACK ! Bug spray? Why do we need bug spray?啊? 杀虫剂? 我们要杀虫剂干什么?...
The country's amassment of atomic warhead makes its neighbors nervous.该国积聚了大量的核弹头,使其邻国紧张不安.She was living alone, begging food from neighbors.她孑然一身，向邻居们讨饭吃。He raised his glass. 'Here's to neighbors.'.....