 |
| |||
| lengthener; lengthening piece; extension piece | |||
| subway | |||
| tunnel A underground passageway, especially one for trains or cars that passes under a mountain, river or a congested urban area | |||
| adit; gallery | |||
| tunnel | |||
| narrow fluctuation margins against the dollar; cylinder | |||
| channel; trend channel | |||
| road tunnel | |||
| |||
| tunneling; tunnelling | |||
| tunnel: 48 短语, 14 学科 |
| 一般 | 2 |
| 农业 | 6 |
| 化学 | 2 |
| 医疗的 | 2 |
| 地球科学 | 10 |
| 建造 | 6 |
| 技术 | 1 |
| 机械工程 | 1 |
| 材料科学 | 1 |
| 生命科学 | 1 |
| 行业 | 2 |
| 财政 | 1 |
| 运输 | 12 |
| 通讯 | 1 |