單字卡學習系統 | 類別 Spelling

1 renewable [/rɪˈnuːəbl/]
[adj.] 可再生的
A renewable resource can be replaced naturally and never runs out.
可再生資源能夠自然補充且永不耗盡。
Solar energy is renewable because it will never run out.
太陽能是可再生的，因為它永遠不會耗盡。
2 engineering [/ˌendʒɪˈnɪrɪŋ/]
[n.] 工程
Engineering is the application of science and math to solve problems.
工程學是應用科學與數學來解決問題的學問。
Many students study engineering to learn how to build bridges and machines.
許多學生讀工程學是為了學習如何建造橋樑和機器。
3 panel [/ˈpænl/]
[n.] 面板；嵌板
A panel is a flat rectangular piece of wood or metal that forms the surface of a wall or door.
嵌板是一片平坦的矩形木材或金屬，構成牆面或門的表面。
He nailed a wooden panel onto the wall.
他把一塊木製嵌板釘在牆上。
4 photons [/ˈfoʊtɑːnz/]
[n.] 光子
Photons are tiny bundles of matter that transmit light.
光子是傳遞光的微小物質束。
Solar panels absorb photons from the sun.
太陽能板吸收來自太陽的光子。
5 sleek [/sliːk/]
[adj.] 光滑流線的
Something that is sleek is smooth, glossy, and streamlined.
流線型的物體是光滑、有光澤且符合空氣動力學的。
The sleek design of the car helps it move faster.
這輛車流線型的設計幫助它行駛得更快。
6 halve [/hæv/]
[v.] 將……分成兩等份
To halve something means to divide it into two equal parts.
把某物 halve 的意思是將它分成兩個相等的部分。
Please halve the apple so we can share it.
請把蘋果切成兩半這樣我們可以分著吃。
7 efficiency [/ɪˈfɪʃənsi/]
[n.] 效率
Efficiency is the quality of doing a task successfully without wasting time or energy.
效率是指能夠成功完成任務而不浪費時間或精力的特質。
This new machine works with great efficiency.
這台新機器以極高的效率運作。
8 petroleum [/pəˈtroʊliəm/]
[n.] 石油
Petroleum is commonly called crude oil or just oil.
石油通常被稱為原油或簡稱油。
Many countries import petroleum to make gasoline.
許多國家進口石油來製造汽油。
9 fossil fuel [/ˈfɑːsl fjuːəl/]
[n.] 化石燃料
A fossil fuel is an energy source formed in the Earth's crust from decayed organic material over millions of years.
化石燃料是數百萬年前在地球地殼中由腐爛有機物形成的能源。
Coal and natural gas are both fossil fuels.
煤炭和天然氣都是化石燃料。
10 gear [/ɡɪr/]
[n.] 齒輪；裝備
A gear can be a device of connecting sets of wheels with teeth, or a set of equipment for a sport or event.
gear 可以指由連接齒輪組成的裝置，或一套用於運動或活動的裝備。
The bicycle's gear helps you ride uphill more easily.
腳踏車的齒輪幫助你更輕鬆地騎上坡。