Scientists hypothesized that the test worked because pregnant women's urine contains more estrogen, which can promote seed growth.
科学家们认为这个实验能够奏效是因为怀孕的女性尿液里还有更高的雌性激素,它能够使得种子更快发芽。
单词 | seed growth |
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原声例句
双语版 TED-Ed 演讲精选 Scientists hypothesized that the test worked because pregnant women's urine contains more estrogen, which can promote seed growth. 科学家们认为这个实验能够奏效是因为怀孕的女性尿液里还有更高的雌性激素,它能够使得种子更快发芽。 TED-Ed(视频版) In theory, even if the rest of the tumor shrinks beyond detection during treatment, a single residual cancer stem cell could seed the growth of a new tumor. 从理论上讲, 即使肿瘤的其余部分在治疗过程中缩小到无法检测到,单个残留的癌症干细胞也可以播种新肿瘤的生长。 |
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