您要查找的是不是：
- Microbes are too small to be seen by the naked eye. 微生物很小，肉眼看不见。
- He ought to have kept his promise. 他原本应该遵守自己的诺言。
- Germs are too small to be seen with a naked eye. 细菌太小，用肉眼是看不到的。
- This star is not visible to the naked eye. 这颗星肉眼看不见。
- I don't trust his promise to come for a visit. 我不相信他会如约前来访问。
- I promise I'll keep it down in the future. 我保证今后一定把音量放低。
- Rarely did he fail to keep his promise. 他真的很难得失信。
- Some stars are invisible to the naked eye. 有些星体肉眼是看不见的。
- These little boys swim naked in the river. 这些小孩光着身子在河里游泳。
- He was oblivious of his promise. 他忘记了他的诺言。
- The trees were naked during autumn. 秋天里树木都是光秃秃的。
- He gave his solemn promise to do better. 他庄重地保证把事情办好。
- The fallacy has been exposed in its naked absurdity. 这谬论的荒诞性已被充分揭露。
- I promise on my honor not to tell lies. 我发誓我不会说谎。
- He made the promise quite voluntarily. 他完全自愿地作出了承诺。
- We can't see microscopic creature with naked eyes. 我们不能用肉眼看到微生物。
- His father told him not to go back on his promise. 他的父亲对他说，不要违背自己的诺言。
- The trees were left naked of leaves. 这些树光秃秃的，没有一片叶子。
- You should be careful when making a promise. 你应当谨慎做出承诺。
- Germs are invisible to the naked eye. 细菌用肉眼看不见。
