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| كابح تيار | |||
| ثقل توازن فى قاع السفينة (ship) ؛صابورة (ship) | |||
| حصى مثبت | |||
| 英语 词库 | |||
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| bst | |||
| ball. ؛Ball | |||
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| blst | |||
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| Heavy weight, often sea water, necessary for the stability and safety of a ship which is not carrying cargo. | |||
| ballast: 11 短语, 5 学科 |
| 实验室设备 | 1 |
| 渔业（渔业） | 1 |
| 照明（电影院除外） | 3 |
| 经济 | 5 |
| 铁路术语 | 1 |