 |
| |||
| bottle bin | |||
| refuge hole; recess (in a wall); habitacle; housing; mortise; slot | |||
| stable-hole | |||
| doghouse | |||
| ecological niche | |||
| niche | |||
| |||
| kennel; recess; step | |||
| compartment | |||
| tabernacle | |||
| stable | |||
| alcove | |||
| bay | |||
| |||
| nest | |||
| to nest | |||
| |||
| litter | |||
|
niche : 103 短语, 26 学科 |
| 一般 | 12 |
| 养蜂业 | 1 |
| 养鱼（养鱼） | 1 |
| 农业 | 2 |
| 化学 | 2 |
| 医疗的 | 12 |
| 地球科学 | 4 |
| 建造 | 9 |
| 技术 | 2 |
| 数学 | 1 |
| 林业 | 1 |
| 渔业（渔业） | 1 |
| 煤炭 | 16 |
| 环境 | 7 |
| 生命科学 | 5 |
| 生物学 | 1 |
| 矿产品 | 1 |
| 税收 | 1 |
| 经济 | 5 |
| 能源行业 | 1 |
| 自然科学 | 3 |
| 自然资源和野生动物保护 | 1 |
| 营销 | 1 |
| 行业 | 3 |
| 财政 | 1 |
| 运输 | 9 |