搜元素提供国外优质的免版权矢量素材资源免费下载，该资源的中文名称是：Single continuous line drawing the scientist stands with a thumbs-up gesture and holding a measuring tube filled with a chemical liquid. Dynamic one line draw graphic design vector illustration.，英文名称是：Single continuous line drawing the scientist stands with a thumbs-up gesture and holding a measuring tube filled with a chemical liquid. Dynamic one line draw graphic design vector illustration.，该资源由网友上传，提供高速下载。
