英语词汇“at dark”的翻译、意思、用法、释义-英汉汉英双解词典

词汇	at dark
释义	at dark短语⁵²¹⁶¹ 基本例句天黑时 The street lights go on when it gets dark and go off at midnight.街灯在天黑时点亮，半夜熄灭。
随便看	shielding constant shielding constituent shielding construction shielding container shieldingcooling system shielding cooling system shield ing cooling system shielding counter shielding cove shielding cover shielding crime shielding current shielding defence shielding depth Shielding design optimization shielding device shielding distance shielding door for radioactive rays shielding earth shielding effecfiveness shieldingeffect shielding effect shield ing effect shielding effect agent shielding effectiveness