地面摇晃，周围房屋的墙体在他们身边倒塌。The earth shook and the walls of neighbouring houses fell around them.外墙看起来一刮强风就会倒塌。The outer walls looked likely to tumble down in a stiff wind.大楼倒塌时，孩子们从上面几层楼上跳了下来。Children jumped from upper floors ...
It adopts outer pipe co - extrude technology, improving the joint stress among layers.采用的外管共挤技术, 提高了管材的层间结合强度.Relative concentrations of molecular and metallic ions in midlatitude intermediate and sporadic - E layers.在 中...
Antheral introversion or extroversion, slit or aperture leave.花药内向或外向, 纵裂或孔开.The staminal filament of feverfew is detached, antheral combination, say to get together medicine is staminal.菊科植物的雄蕊花丝分离, 花药联合, 称聚药雄蕊.Valve is...
婚礼颂词a eulogy to marriage颂词是不会使我有偏见的, 我要自己作判断.Eulogiums will not bias me; I shall judge for myself.巴比特让特鲁博士知道这篇颂词是他促成的.Babbitt let Dr. Drew know that he was responsible for this tribute....
Each heartbeat has two basic parts: diastole and atrial and ventricular systole.每一次心脏跳动都包含两个基本部分: 舒张期以及方式收缩期.The length in the diastole was bigger than that in the systole.在舒张期其可视长度比收缩期长.What are the reason that the prob...
A wild mountain ash ( Pyrus decora ) of eastern North America.花楸北美东部的一种野生花楸 ( 装饰梨 )OBJECTIVE To study the chemical constituents of Swertia decora Franch , a traditional herb medication in China.目的 研究我国民族药观赏獐牙菜(Swertiadec...