| 释义 |
词路径- entity
- physical entity
- object
- physical object
- whole
- unit
- artifact
- artefact
- instrumentality
- instrumentation
- device
- electronic device
- tube
- vacuum tube
- thermionic vacuum tube
- thermionic tube
- electron tube
- thermionic valve
- gas-discharge tube
- cathode-ray tube
- CRT
下位词- Crookes tube
- kinescope
- picture tube
- television tube
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