upon 中文
EN
[əˈpɒn] [-ɒn] 
US 介在...之上
- 副词 (Adverb)
- 介系词 (Preposition)
- Being above and in contact with another.
- Place the book upon the table.
- Being directly supported by another.
- The crew set sail upon the sea.
- She balanced upon one foot.
- Being followed by another so as to form a series.
- hours upon hours, years upon years
- At a prescribed point in time.
- The contract was rendered void upon his death.
- On.
- Although the Celebrity was almost impervious to sarcasm, he was now beginning to exhibit visible signs of uneasiness, the consciousness dawning upon him that his eccentricity was not receiving the ovation it merited.
- Being above and in contact with another.
- 更多范例
- 用于句中
- he jumped up with a strain;   the strain upon the sailboat's rigging
- Perhaps I can prevail upon him to change his mind.
- In rice lines containing the dominant (susceptibility) allele of the gene, the expression of the nodulin homolog is up regulated upon infection with Xoo .
- 用于句首
- Upon infection, dogs can develop distinct clinical manifestations of the disease: asymptomatic, oligosymptomatic, or symptomatic stages.
- Upon reception, the data packets are deshuffled by the deshuffler.
- Upon arrival at the campsite, they discovered that they had forgotten the tent pegs and had to use rocks and logs to tether the tent instead.
- 用于句尾
- Because of the professor's venerability his opinion was often asked, but his actual attendance in committee meetings was not insisted upon.
- Baiting fish is not illegal in this state, but strongly frowned upon.
- 用于句中
Definition of upon in English Dictionary
- 词类阶层 (Part-of-Speech Hierarchy)
- 副词
- 不可比的副词
- 不可比的副词
- 介系词
- 副词
- en upon't
- en upon the by
- en upon a stound
- en upon the tapis
- en upon the whole
资料来源: 维基词典
在语法上，这个单字"upon"是一个副词，更具体地来说，是一个不可比的副词。它同时也是一个介系词。