|
- What do we call the “rd” in “3ʳᵈ” and the “th” in “9ᵗʰ”?
The addition of -th -eth relates to numbers 4 to 20 (and similarly,) and is a suffix to the cardinal number However, as in the second and third examples, the rd st simply come from the right-end of the word for the ordinal number: 3 rd: thi rd 301 st: (three-hundred-) fir st (shouldn't that be 301 th?, I'm not going there)
- “20th century” vs. “20ᵗʰ century” - English Language Usage . . .
There they have idiosyncratically used 20 th rather than 20 th, but the point is that the letters and numbers — more properly, the figures — look different Figures can be proportionally spaced like letters, and so a digit 1 would take up less room than a digit 4
- Is there a rule for pronouncing “th” at the beginning of a word?
The awareness that some Latin words in t- were from Greek th- encouraged over-correction in English and created unetymological forms such as Thames and author, while some words borrowed from Romanic languages preserve, on the Roman model, the Greek -th- spelling but the simple Latin "t" pronunciation (as in Thomas and thyme) (Etymonline)
- Th1和Th2细胞的区别是什么？ - 知乎
转载：你知道th1和th2免疫反应之间的差异吗？ 照搬，讲得很清楚！ th1和th2免疫反应之间的主要区别在于th1免疫反应是促炎反应，可杀死细胞内微生物并延续自身免疫反应，而th2免疫反应可促进异位症中的ige 和嗜酸性粒细胞反应，并产生抗炎反应，从而杀死大量的，细胞外寄生虫，例如蠕虫。
- 英语里面的 th 什么时候读清辅音 θ ，什么时候读浊辅音 ð ？ - 知乎
th，大部分中国人都会发错，而且这个音在英语很常见。想要达到英语听说流利，th音是必须要掌握的音。掌握后可以明显提高英语口语的颜值。 th音是一个在汉语里面没有的发音，找不到与之相对应和相似的发音。 th的发音包括：清辅音[θ]和浊辅音[ð]。
- etymology - What is the origin of the -th suffix? What is the . . .
The suffix -th was added to it in Middle English by analogy with words like length and width The vowel also ended up being shortened, which is not surprising since the word ends in a consonant cluster "dth" and the Middle English vowel that corresponds to the "ea" in this word ( ɛː ) was sometimes shortened even before a single consonant (as
- 辅助T细胞（Th1）的功能及其表面标记？ - 知乎
辅助性T细胞 (T helper cell, Th)由Naïve CD4+ T细胞受到特定刺激（抗原、细胞因子）后分化而来，包括 Th1、Th2、Th17及调节性T细胞(Treg)等。 Th为免疫系统的其他细胞提供辅助功能，特别是抗原呈递细胞（APCs），如巨噬细胞、树突状细胞和B细胞，并对这些细胞的活化和
- 英文序数词用数字表示时，th、st、nd、rd 需要写在右上角吗？ - 知乎
是的，当英文序数词用数字表示时，th、st、nd、rd 应该写在数字的右上角，这是标准的英文书写规范。 例如，第一写作1st，第二写作2nd，第三写作3rd。 这种表示方法用于强调这是一个序数，而不是基数。
|
|
|