Advantage: good adhesion and maintenance , keep warm , heat insolation, stable and endurable.具有接着力、保持力强、减震性佳及固定 、 保温、隔热作用等优点.The insolation here is abundant , and the forest - free days are about 209 days every year.年平均降...
The gadget is used to artificially inseminate cows.这个器具被用来为母牛实施人工授精。Females, in other words, would rather choose which males inseminate them.换句话说, 雌性更愿意选择那些让它们授精的雄性.It also states prophase work, transporting and insemina...
The Secretary's letter questions my veracity and impugns my motives.部长的来信怀疑我的诚实，质疑我的动机。He was shocked to find his veracity questioned.发现自己的诚信受到了质疑，他很震惊。They questioned the veracity of her story.他们质疑她所述事情的真实性。...
Looking after pre-school children is very tiring.照顾学龄前的孩子非常辛苦。It seems to ease all the aches and pains of a hectic and tiring day.繁忙劳碌了一天所带来的周身酸痛似乎被一扫而空。Teaching can be a tiring and stressful job.当教师是件辛苦紧张的工作。I found it ...
Normally a point in space is identified by means of coordinates.空间中的点通常是依靠座标来定位的.We carry out a transformation to spherical polar coordinates.我们变换成球极坐标.For a system, Hamiltonian is invariant under any translation of spat...
救援人员正在废墟中挖掘，以搜寻其他受害者。Rescue workers are digging through the rubble in search of other victims.在那个地点又挖掘出几具尸体。More bodies have been dug up at the site.他们试着在洞穴正下方的一块地上挖掘。They tried digging in a patch just below the cave....