energy conservation

US /ˈɛnədʒi ˌkɑnsɚˈveʃən/

UK /ˈenədʒi ˌkɔnsəˈveiʃən/

B2 中高級
n. (u.)不可數名詞節約能源
Energy conservation is crucial for reducing our carbon footprint.
n. (u.)不可數名詞能源保護
The government is promoting energy conservation through new policies.
n. (u.)不可數名詞節能技術
New technologies are improving energy conservation in homes and businesses.

影片字幕

菲涅爾衍射解釋 (Fresnel Diffraction Explained)

09:27菲涅爾衍射解釋 (Fresnel Diffraction Explained)