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handheld [noun]
handheld 通常作定语，放在名词前，表示设备小巧轻便、可握在手中操作。
I bought a handheld game console for the trip.
我为这次旅行买了一台掌上游戏机。
掌上型；手持式
先理解核心含义，再看它在真实句子里的用法。
掌上型；手持式
small and light enough to be operated while held in the hand
I bought a handheld game console for the trip.
我为这次旅行买了一台掌上游戏机。
掌上型；手持型
a small and light enough to be operated while you hold it in your hands
My grandmother prefers a small handheld vacuum cleaner for the stairs.
我奶奶喜欢用小型手持吸尘器打扫楼梯。
The security guard asked me to put my phone and other handheld devices on the tray.
保安让我把手机和其他手持设备放在托盘上。
This handheld game console is light enough to play for hours.
这款掌上型游戏机很轻，可以连续玩好几个小时。
handheld 通常作定语，放在名词前，表示设备小巧轻便、可握在手中操作。
I bought a handheld game console for the trip.
我为这次旅行买了一台掌上游戏机。
作表语时，handheld 说明主语的设计特点。
This medical device is light, portable, and fully handheld.
这款医疗器械轻便、可携带，完全可以手持使用。
Not this
She handheld the book to read.
Use this
She held the book to read.
handheld 是形容词/名词，不是动词；动词 hold 的过去式是 held，不能把 handheld 当作过去式使用。
Not this
I bought two handheld at the electronics store.
Use this
I bought two handhelds at the electronics store.
handheld 作名词表示“手持设备”时是可数名词，复数形式为 handhelds；two 后面必须用复数。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
手持设备；掌上设备
The new handheld device fits easily in your pocket.
这款新的手持设备可以轻松放进口袋。
掌上游戏机
He plays games on his handheld game console during the commute.
他在通勤途中用掌上游戏机玩游戏。
手持扫描仪
The courier used a handheld scanner to log the package.
快递员用手持扫描仪登记包裹。
手持吸尘器
A handheld vacuum is handy for cleaning crumbs off the sofa.
手持吸尘器用来清理沙发上的碎屑很方便。
手持搅拌机；料理棒
You can puree soup directly in the pot with a handheld blender.
你可以用手持搅拌机直接在锅里把汤打成泥。
手持GPS导航仪
Hikers often carry a handheld GPS when exploring remote trails.
徒步旅行者在探索偏远小径时常会携带手持GPS导航仪。
Use handheld naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
hand + held，握在手里就能用，如掌上游戏机。
语域：neutral 常见场景：产品说明、技术文档、日常描述 handheld 为中性用词，正式与非正式场合都很常见，通常用于描述游戏机、扫描仪等可握在手中操作的小型设备。
以上单词都与 handheld 的 -held 部分押韵，读音为 /hɛld/。注意 field /fiːld/ 和 yield /jiːld/ 拼写相似，但元音为长音 /iː/，与 handheld 不押韵。
Dictionary facts from ECDICT, WIKTIONARY.