| |||
凹み spec1 (くぼみ); 窪み ichi1 (くぼみ) | |||
| |||
空しい ichi1; 虚しい | |||
| |||
空っぽ ichi1 news2 nf27 | |||
| |||
真空 news1 nf19 (shinkū) |
creux : 15 phrases in 11 subjects |
Antennas and waveguides | 1 |
Electric motors | 1 |
Electric traction | 2 |
Electricity generation | 1 |
General | 1 |
Isolation | 1 |
Magnetics | 1 |
Mathematics | 3 |
Power lines | 2 |
Sound recording | 1 |
Superconductivity | 1 |