| 释义 |
- n.【植】(竹、芦、草等空心的)茎，秆；低级无烟煤；碎煤；【地质】碳质页岩
- v.长成(空心)茎秆
- 网络草秆；细粒无烟煤；灰煤
n. | 2. shale that contains much coal 3. anthracite coal of poor quality 4. the jointed hollow stem of a grass or similar plant 2. shale that contains much coal 3. anthracite coal of poor quality 4. the jointed hollow stem of a grass or similar plant |
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