| 释义 |
biological clock  nounAn innate mechanism that controls the physiological activities of an organism which change on a daily, seasonal, yearly, or other regular cycle.Yes, that's controlled by an internal biological clock....- At dusk, however, the insect is activated by an internal biological clock, which regulates most of its behaviors.
- This helps set the internal biological clock that regulates your sleep and waking patterns.
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