单词：embryos
n an animal organism in the early stages of growth and differentiation that in higher forms merge into fetal stages but in lower forms terminate in commencement of larval life
embryos的用法和样例：
例句
- Many people object to experimentation on embryos.许多人反对用胚胎做实验。
- These cells are then injected into mouse embryos.然后这些细胞再注射回老鼠的胚胎。
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