卡拉汉假定化学元素放射电磁信号。Callahan posits that chemical elements radiate electromagnetic signals.卡拉汉和利狄柯特发现加利福尼亚北部产的黄松有一海拔渐变群.Callaham and Liddicoet found an elevational cline in ponderosa pine from Northern California.卡拉汉医院在太平洋地区...
如果你不等导游带领而进入山洞, 你就得自担风险.If you go into the cave without waiting for the guide, you do it at your own risk.许多基团可通过向得自胶的重氮盐作亲核取代而加以导入.Many groups can be added by nucleophilic substitution on a diazonium salt.人体连续不断地产生热, 这种...
He asked for help in a suppliant attitude.他以恳求的态度要我帮忙。He asked for help a suppliant attitude.他以恳求的态度要我帮忙.He knelt as a suppliant at the altar.他跪在祭坛前祈祷....