| 单词 | pteridophyte |
| 例句 | Manual of the phanerogams and pteridophytes of western Texas. United States Government Publications, v. 8 Jan-Jun 1892 A Monthly Catalog 2011-06-22T02:00:25.153Z They are also commonly called flowering plants, though this name might be also appropriately given to certain of the higher pteridophytes. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses No spermatozoids are produced, the seed plants differing in this respect from all pteridophytes. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The ferns constitute by far the greater number of pteridophytes, and their general structure corresponds with that of the maiden-hair fern described. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The macrosporangia are also ordinarily known as “ovules,” a name given before it was known that these were the same as the macrosporangia of the higher pteridophytes. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The general plan of the root is much like that of the pteridophytes. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses The tree has a very perfect root system, but different from that of any pteridophytes. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses In the upper part of the prothallium several large archegonia are formed in much the same way as in the pteridophytes. Elements of Structural and Systematic Botany For High Schools and Elementary College Courses |
| 随便看 |
英语例句辞典收录了117811条英语例句在线翻译词条，基本涵盖了全部常用单词及词组的例句翻译及用法，是英语学习的有利工具。