refraining的例句（refraining在句子中的用法）

• It will play a fundamental role in refraining the deterioration of man's spiritual ecology. 它对扼制人精神生态的恶化,将起到根本性的作用.
• Refraining from producing speech or vocal sound. 缄默的不说话或不发出声音的.
• Why are these people pulling back refraining from trying new things? 为什么这些人宁可往后退也不愿尝试新事物?