Objective : To explore the influence of Bifidobacterium on murine humoral immune function.目的: 探讨双歧杆菌减少对小鼠体液免疫功能的影响.The ability of humoral antibodies to inhibit tumor growth varies with different cell types.体液抗体抑制肿瘤生长的能力因...
打谷时,很难得到干净的谷粒.It was difficult to obtain clean grains when the crop was threshed.他们正在用打谷机给小麦脱粒.They are separating the grains from wheat with a threshing machine.她发现孙子正在打谷场上操练,便下了驴,当着战士们的面,上去一把揪住地老鼠的衣顿,骂了两句,用鞭杆朝他脑门敲了一 记 ...