| 1. | His engagements were all self-imposed .
他的一切约会都是由他自己作主的。 |
| 2. | All of the capital investment is made by the licensee .
所有的资本都是由买方承担。 |
| 3. | Each disaccharide is composed of two monosaccharides .
每一种双糖都是由两个单糖组成。 |
| 4. | Many pest situations are caused by natural phenomena .
许多害虫的情况都是由自然现象造成的。 |
| 5. | How much trouble in this life is caused by idle talk !
生活中有多少麻烦不都是由清谈引起的么。 |
| 6. | All proteins are fabricated of compounds known as amino acids .
所有的蛋白质都是由氨基酸构成的。 |
| 7. | They were being entertained in mrs. miller's salon by randolph .
他们都是由伦道夫在米勒太太的客厅里接待的。 |
| 8. | Most of them were led by the famous eunuch admiral cheng-ho .
大多数使团都是由著名的舰队司令，宦官郑和率领的。 |
| 9. | Many properties of an atom are determined by the outermost electrons .
一个原子的许多性质都是由其最外层的电子所确定的。 |
| 10. | Polymers consist of long molecular chains of covalently bonded atoms .
高聚物都是由共价链联接原子而形成的长链分子所组成。 |
