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| 门 | |||
| 端口 | |||
| 栅区 场效应晶体管的; 栅极; 门极 | |||
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| 海港 临海岸的水域，通常有厚墙围绕，可提供船只的掩蔽。 | |||
| Porta: 31 phrases in 10 subjects |
| Commerce | 2 |
| Electronics | 4 |
| Fishery fishing industry | 2 |
| General | 3 |
| Piezoelectric crystals | 2 |
| Power system protection | 3 |
| Semiconductors | 10 |
| Thermal Energy | 3 |
| Transport | 1 |
| Water resources | 1 |