passive voice单词什么意思_passive voice单词解释 passive voice的反义词passive voice的例句

被动式，被动态；

1. 被动式：一般应采用过去式(past tense),因为整个实验都是做过了的,但是当所写的是已经证明了的事实或定理时,应采用现在式(present tense). 另外,需要注意实验里的仪器和药品应采用被动式(passive voice)④. 一般英文实验报告书写格式可如下:

2. 被动句：体积目标:passive | 被动句:Passive Voice | 被动句:passive-sentence

noun

1. the voice used to indicate that the grammatical subject of the verb is the recipient (not the source) of the action denoted by the verb

e.g. `The ball was thrown by the boy' uses the passive voice
`The ball was thrown' is an abbreviated passive

Synonym: passive