cam
cam — 名詞
- camsingular
- camsplural
1. a camera, often a small one, that records or sends live pictures from a particul
攝影機
小型錄影或直播鏡頭
a camera, often a small one, that records or sends live pictures from a particular place
Mei clipped a tiny cam above the bakery door overnight.
Mei 把一台小攝影機夾在麵包店門口上方過夜。
security cam recording a place
The ski instructor checked his helmet cam before the class began.
滑雪教練在上課前檢查了他的頭盔攝影機。
helmet cam for action recording
Layla watched the baby cam on her phone during lunch.
Layla 吃午餐時用手機看嬰兒攝影機的畫面。
A storm knocked the garden cam offline just before sunset.
暴風雨在日落前把花園攝影機弄斷線了。
文法句型
dash cam
baby cam
helmet cam
cam feed
用法筆記
Common in product names such as dash cam, body cam, and baby cam. It is less formal and more limited in use than the full word camera.
2. the camshaft in an engine, which opens and closes the valves as it turns
凸輪軸
引擎內控制氣門的軸
the camshaft in an engine, which opens and closes the valves as it turns
The mechanic replaced the worn cam after the engine kept misfiring.
引擎一直失火後，修車師傅更換了磨損的凸輪軸。
cam = camshaft in engine repair
Anthony ordered a new cam for the rebuilt race engine.
Anthony 為重組的賽車引擎訂了一支新的凸輪軸。
Oil leaked onto the cam cover during the road test.
道路測試時，機油漏到了凸輪軸外蓋上。
The old motorcycle ran better after Samir adjusted the cam timing.
Samir 調整凸輪軸正時後，那台老機車跑得更順了。
- camshaft
the full technical term; cam is the shortened garage form
文法句型
replace the cam
cam timing
twin cam engine
用法筆記
Used mainly by mechanics and car enthusiasts as a short form of camshaft. Unlike sense 3, it refers specifically to the shaft in an engine, not any shaped moving part.
常見錯誤
3. a shaped part in a machine that turns spinning movement into repeated pushing, l
凸輪
把轉動變成推拉的零件
a shaped part in a machine that turns spinning movement into repeated pushing, lifting, or sliding movement
A steel cam lifted the gate each time the wheel turned.
輪子每轉一次，鋼製凸輪就把閘門抬起來。
cam converts turning into lifting motion
Chidi sketched a cam that would move the stamp up and down.
Chidi 畫了一個能讓印章上下移動的凸輪。
The toy's cam pushed the bird forward with every crank.
那個玩具的凸輪每轉一下曲柄，就把小鳥往前推。
Engineers swapped the cam to change the arm's motion.
工程師換掉凸輪來改變機械臂的運動方式。
文法句型
a cam lifts
swap the cam
cam motion
用法筆記
This technical sense is broader than sense 2. It can describe many machines, not only engine parts.
cam — 縮寫
1. the abbreviation CAM, used for computer-aided manufacturing, where computers hel
電腦輔助製造
以電腦控制生產流程
the abbreviation CAM, used for computer-aided manufacturing, where computers help control how goods are made
The factory adopted CAM software to cut metal parts faster.
那家工廠採用了 CAM 軟體，更快切割金屬零件。
CAM software in production work
Ignacio learned CAM before programming the milling machine at work.
Ignacio 在工作上操作銑床前先學了 CAM。
The design team linked CAD and CAM for the new bicycle frame.
設計團隊把 CAD 和 CAM 連起來製作新的自行車車架。
A CAM system sent tool paths directly to the workshop machines.
CAM 系統把刀具路徑直接送到工坊裡的機器。
- computer-aided manufacturing
the full expanded form
文法句型
CAM software
CAM system
CAD and CAM
用法筆記
Usually written in capitals. It often appears with CAD when people describe the move from digital design to factory production.
常見錯誤
2. the abbreviation CAM, used for medical treatments outside standard medicine, oft
另類醫療
包括輔助與替代療法
the abbreviation CAM, used for medical treatments outside standard medicine, often alongside it or instead of it
The clinic offers CAM such as acupuncture and herbal care.
那家診所提供 CAM 另類醫療，例如針灸和草藥照護。
CAM as a group of therapies
Constanza asked whether CAM could ease her long-term back pain.
Constanza 問另類醫療是否能減輕她長期的背痛。
The hospital leaflet explains when CAM should support regular treatment.
醫院的摺頁說明了 CAM 何時應該配合一般治療。
Some patients discuss CAM with their doctor before changing medicines.
有些病人在更換藥物前會先和醫師討論 CAM。
- alternative medicine
often refers more strongly to treatment used instead of standard care
- complementary medicine
emphasizes treatment used together with regular medical care
文法句型
offer CAM
use CAM
discuss CAM with a doctor
用法筆記
Usually written in capitals in health writing. It names a broad group of therapies, not one single treatment.