| 释义 |
in vi.troHIn5vi:7trEJ, $-troJadv, adj [not gradable](of biological processes or reactions) happening outside the body in artificial conditions, often in a test tube在试管中(的)，在(生物)体外(的)Scientists are studying these cells in vitro.科学家们正在试管中研究这些细胞。The theory is being tested in in vitro experiments.这个理论正在通过试管实验来检验。In vitro fertilization (abbreviation IVF) is the joining together of an egg and a sperm in artificial conditions, and then putting the resulting EMBRYO into the woman's womb in order to develop.体外受精She gave birth to triplets following in vitro fertilization treatment.她在接受体外受精后生了三胞胎。
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