近几年来,又再度使用了裂缝掏槽.During recent years the seam cut has once again come into use.掏槽方式及布孔参数影响着掘进效率和成本.The cut way and hole parameters affect the drivage efficiency and cost.严重突出煤层掘进水力掏槽防突措施在国际上是一种防突新技术.Grave protrusion coal ...
某些植物的珠被和珠心细胞形成完全正常的胚.The cells of the integument and nucellus of some plants form perfectly normal embryos.大多数被子植物的胚珠有两层珠被, 而裸子植物通常只有一层.Most angiosperm ovules possess two integuments, while gymnosperms usually have only ...
Without thinking, she pelted down the stairs in her nightgown.她想都没想，穿着睡衣就飞奔下了楼。The children pelted him with snowballs.孩子们向他投掷雪球。The rain pelted down.天下着大雨....
They would flap bath towels from their balconies as they chatted.他们聊天时会在阳台上抖搂浴巾。Why did people get in a flap over nuclear energy?为什么人们对核能惶恐不安呢？He drew back the tent flap and strode out into the blizzard.他拉开帐篷的门帘，大步走进暴风雪中...
Slowly Jewish communities were reconstituted and Jewish life began anew.渐渐地，犹太社区得到重建，犹太人的生活重新开始。She's ready to start anew.她准备重新开始。He began his work anew.他重新开始工作。...