There was a splintering sound as the railing gave way.围栏倒下时发出了断裂的声音。He felt the hardness of the iron railing press against his spine.他感觉到硬邦邦的铁栏杆顶着自己的脊梁。He leant against the railing, his breath coming in short gasps.他倚着栏杆...
He felt the hardness of the iron railing press against his spine.他感觉到硬邦邦的铁栏杆顶着自己的脊梁。There was a splintering sound as the railing gave way.围栏倒下时发出了断裂的声音。vituperative railing刻毒的咒骂The balusters carry a railing.栏杆柱支撑着栏杆.We o...
用高压静电成囊装置制备藻酸钠 - 多聚赖氨酸 - 藻酸钠 ( APA ) 微囊化细胞.Alginate - polylysine - alginate ( APA ) microencapsulated cells were made with a high voltage electrostatic system.以30%辛硫磷微囊悬浮剂为例,初步建立了成囊率的测定方法.A analytical method for encapsul...