demonstrator
名词 n.
英 /ˈdɛmənstɹeɪtə(ɹ)/
英文释义
名词 n.
- One who demonstrates anything, or proves beyond doubt.
- The forefinger.
- One who takes part in a demonstration; a protester.
- One who demonstrates products in a retail environment; a merchandiser.
-
An item, particularly a vehicle, used in demonstrations to a customer or user.
— Young people have been involved in choosing which resources and educational toys are used to deliver sex and relationship education – including leaflets, videos and condom demonstrators.
- An assistant to a lecturer.
- One who teaches anatomy from the dissected parts.
词形变化
词汇关系
词源
Etymology tree
Proto-Indo-European *de
Proto-Indo-European *-h₁
Proto-Indo-European *déh₁
Proto-Italic *dē
Latin dē
Latin dē-
Proto-Indo-European *men-
Proto-Indo-European *-yeti
Proto-Indo-European *-éyeti
Proto-Indo-European *monéyeti
Proto-Italic *moneō
Proto-Indo-European *-tḗr
Proto-Indo-European *-trom
Proto-Italic *-trom
Proto-Italic *monestrom
Latin mōnstrum
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-yéti
Proto-Indo-European *-eh₂yéti
Proto-Italic *-āō
Latin -ō
Latin mōnstrō
Latin dēmōnstrō
Latin dēmōnstrātusbor.
English demonstrate
English -or
English demonstrator
From demonstrate + -or.
Proto-Indo-European *de
Proto-Indo-European *-h₁
Proto-Indo-European *déh₁
Proto-Italic *dē
Latin dē
Latin dē-
Proto-Indo-European *men-
Proto-Indo-European *-yeti
Proto-Indo-European *-éyeti
Proto-Indo-European *monéyeti
Proto-Italic *moneō
Proto-Indo-European *-tḗr
Proto-Indo-European *-trom
Proto-Italic *-trom
Proto-Italic *monestrom
Latin mōnstrum
Proto-Indo-European *-h₂
Proto-Indo-European *-éh₂
Proto-Indo-European *-yéti
Proto-Indo-European *-eh₂yéti
Proto-Italic *-āō
Latin -ō
Latin mōnstrō
Latin dēmōnstrō
Latin dēmōnstrātusbor.
English demonstrate
English -or
English demonstrator
From demonstrate + -or.
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数据来源: Wiktionary