Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你們離開實驗室前,務必要關上電源,關好窗戶。
高一英語課文 Unit 2 In the lab

?? 句中詞匯解析

從本句中提取的重要詞匯

electricity [?'l?k'tr?s?ti] 詞頻3 詞根: electr
n. 電力;電流,靜電;高漲的情緒;緊張;
?? electric電的 + ity 表名詞 → 電 學
"The electricity industry consumes large amounts of fossil fuels."
電力工業消耗大量的礦物燃料。
近義:power, current
leave [liv] 詞頻1 詞根: /li:/
vt. 離開;遺棄;忘了帶;交托; vt.& vi. 離去;出發;舍棄; n. 準假;假期;辭別;許可;
?? 離吾(諧音):離開我- 離開 網友: sssssssssss 補充:
"Why do you leave all the hard work up to your mother?"
你為什么把所有難做的事都留給你母親?
近義:migrate, absquatulate, retire, retreat, scat, transmigrate 反義:come, get, reappear, reenter, regress, collect
sure [??r] 詞頻1
adj. 確信的,確實的;有把握的;無疑的;一定的; adv. 當然;確實地;無疑地;
"Make sure the shelf is aligned with the top of the cupboard."
務必使擱架與櫥柜頂端對齊。
近義:inarguable, incontestable, incontrovertible, indefectible, indisputable, indubitable 反義:hesitant, hesitative, imprecise, improbable, inconclusive, indecisive
shut [??t] 詞頻1
vt.& vi. 關閉;合上;打烊;閉上; adj. 關閉;停業;合攏;關門;
?? 經典句shut up:你給我閉嘴- 關閉 網友:馬 勝 敏 補充:1:為了防止晚上老鼠(shu)會爬到房間里,她(t)每天在睡覺前都把門和和窗都關好。 2:蛇(
"Shut the blinking door!"
關上那扇該死的門!
近義:lock, slam, close, locked, unopened, closet 反義:unclose, unlatch, unlock, unseal, unfold, unclosed
turned
a. 變質的;被轉動的;[金屬加工]車削的

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