| 单词 | essential to survival |
| 释义 | essential to survival In the good times, business flowed freely and innovation was not essential to survival. Times, Sunday Times Secondary metabolites are not essential to survival but do increase the competitiveness of the organism within its environment. Retrieved from Wikipedia CC BY-SA 3.0 Marine mammals use sound for activities essential to survival and reproduction. Retrieved from Wikipedia CC BY-SA 3.0 In the past belonging to a group was essential to survival: people hunted and cooked in groups. Retrieved from Wikipedia CC BY-SA 3.0 While humans developed into bipedal organisms, balance became exponentially more essential to survival. Retrieved from Wikipedia CC BY-SA 3.0 |
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