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- purity improvement coil 色纯度校正线圈
- Chinese people regard lotus as an emblem of purity. 中国人把莲花看作是纯洁的象征。
- We must ensure the purity of drinking water. 我们必须确保饮用水的纯净。
- Lenin fought stubbornly for the purity of Marxist theory. 列宁顽强地为维护马克思主义学说的纯洁性而战斗。
- There is need for improvement in your handwriting. 你的书法需要改进。
- There's been an overall improvement recently. 近来各方面都有所改进。
- We all hope for an improvement in the weather. 我们都希望天气好转。
- A good roper will hurl out the coil with marvelous accuracy and force. 一位优秀的套索捕马者会用奇准和神奇力量掷出绳索。
- His health is showing signs of improvement. 他的健康状况显出好转的迹象。
- It's a soprano of great compass and of great purity. 这是一种音域宽广，高度纯正的女高音。
- The changes are an improvement in one way. 这些变从某种意义上说是一种进步。
- The equipment improvement was on the march. 设备改进工作正在进行中。
- Whiteness is emblematic of purity. 白色是纯洁的象征。
- There is still room for improvement. 还有改进的余地。
- A surface in the form of a coil or screw. 螺旋面具有线盘或螺丝形状的表面
- Housing improvement was the speaker's text. 改善住房是那位演讲人的题目。
- Painting the room yellow is a great improvement. 把这房间漆成黄色确实好多了。
- This town shows improvement in many directions. 该镇在许多方面都有改进。
- Our position is capable of improvement. 我们的地位可以改善。
- A snake can coil itself around a branch. 蛇能使自身盘绕在树枝上。
