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| 赤外線 (sekigaisen) | |||
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| 赤外線 news1 nf16 (sekigaisen) | |||
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| 赤外線 (sekigaisen) | |||
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infrared rays : 14 phrases in 4 subjects |
| Construction | 4 |
| General | 3 |
| Physics | 2 |
| Technology | 5 |
| |||
| 赤外線 (sekigaisen) | |||
| |||
| 赤外線 news1 nf16 (sekigaisen) | |||
| |||
| 赤外線 (sekigaisen) | |||
|
infrared rays : 14 phrases in 4 subjects |
| Construction | 4 |
| General | 3 |
| Physics | 2 |
| Technology | 5 |