·2,447,543篇论文数据,部分数据来源于NoteExpress
“This row is a north to south transect along the East Coast, ” he said one day recently, pointing to tubes containing samples collected at sites from Cape Cod to Key West.
“这一组沙是东海岸沿岸从北至南的样本。” 最近的某天他指着一些试管说。
youdao
应用推荐
模块上移
模块下移
不移动