它由竖井 、 暗渠 、 明渠和涝坝 ( 一种小型蓄水池 ) 四部分组成.It consists of shafts, culverts , channel and flood dam ( a small reservoir ) composed of four parts.由于工程老化,年久失修,北墅水库输水暗渠墙体多处发生位移破坏,严重影响工程的正常使用.In Beishu Reservoir, the displacement de...
我知道那根本没什么大不了的，所以有些无动于衷。I know it's nothing serious and I feel quite unemotional about it.有些段落他演奏得异常徐缓，听上去有些忧伤。He plays some passages so slowly that they become lugubrious.有些情况下有最低年龄限制。In some cases there is a mini-m...
The half - life of francium is 22 minutes.钫的半衰期是22分钟.Francium is the densest of the Alkali Metals and also radioactive.钫是碱金属中密度最大的,具有放射性.Even Francium's most stable isotope, Francium - 223 only has a half - life of ...
It is not for me to arrange such matters.我无权安排这些事情。Don't let yourself despair; this will only make matters worse.不要想不开，这样只能使情况变得更糟。I believe he was concerned in all those matters you mention.我认为你提到的那些事都与他有关。...