她选了低速挡小心翼翼地沿小径下行。She selected a low gear and started down the track carefully.压下挡杆，直到听到挡挂好。Press the lever until you hear the catch engage.使用自动搅拌器时应该选用慢挡。Electric whisks should be used on a slow speed....
大多数脊索瘤发生在颅底 、 颈椎及荐骨.Most chordomas are found at skull base, sacrum and cervical spine.目的: 细胞外微环境直接影响到体外人转移脊索瘤细胞的表现.Objective. The extracellular microenvironment directly affects metastatic chordoma cell phenotype in vitr...
Empowering the underprivileged lies in assuring them that education holds the real source of power...帮助贫困人民就要让他们相信教育是真正的力量源泉。Is Athens undertaking a risk in empowering such a tribunal?阿西娜赋予这个法庭权力,是否过于冒险?Empowering the un...