| 1. | Most bees and wasps are social insects .
大多数蜜蜂和黄蜂都是群居昆虫。 |
| 2. | Ants are another group of social insects that have powerful chemical defenses .
蚂蚁是另一群拥有强大的自卫化学武器的社会性昆虫。 |
| 3. | Our dictionary tells us that the ant is a social insect
字典告诉我们，蚂蚁是一种社会性昆虫。 |
| 4. | Bees and ants are social insects
蜜蜂和蚂蚁是群居昆虫。 |
| 5. | The neuter caste in social insects
群居昆虫中的无性昆虫 |
| 6. | In this way , we have learned all that we know of the laws of astronomy , or of the habits of the social insects , let us say
例如，用这种方法，我们完全掌握了天文学的规律和昆虫群居的习性。 |
