Before you leave the lab, make sure the electricity is turned off and the windows are shut.
你们离开实验室前，务必要关上电源，关好窗户。
高一英语课文 Unit 2 In the lab

📚 句中词汇解析

从本句中提取的重要词汇

electricity [ɪ'lɛk'trɪsəti] 词频3 词根: electr
n. 电力;电流，静电;高涨的情绪;紧张;
💡 electric电的 + ity 表名词 → 电 学
"The electricity industry consumes large amounts of fossil fuels."
电力工业消耗大量的矿物燃料。
近义：power, current
leave [liv] 词频1 词根: /li:/
vt. 离开;遗弃;忘了带;交托; vt.& vi. 离去;出发;舍弃; n. 准假;假期;辞别;许可;
💡 离吾(谐音):离开我- 离开 网友： sssssssssss 补充：
"Why do you leave all the hard work up to your mother?"
你为什么把所有难做的事都留给你母亲?
近义：migrate, absquatulate, retire, retreat, scat, transmigrate 反义：come, get, reappear, reenter, regress, collect
sure [ʃʊr] 词频1
adj. 确信的，确实的;有把握的;无疑的;一定的; adv. 当然;确实地;无疑地;
"Make sure the shelf is aligned with the top of the cupboard."
务必使搁架与橱柜顶端对齐。
近义：inarguable, incontestable, incontrovertible, indefectible, indisputable, indubitable 反义：hesitant, hesitative, imprecise, improbable, inconclusive, indecisive
shut [ʃʌt] 词频1
vt.& vi. 关闭;合上;打烊;闭上; adj. 关闭;停业;合拢;关门;
💡 经典句shut up:你给我闭嘴- 关闭 网友：马 胜 敏 补充：1：为了防止晚上老鼠（shu）会爬到房间里，她（t）每天在睡觉前都把门和和窗都关好。 2：蛇（
"Shut the blinking door!"
关上那扇该死的门！
近义：lock, slam, close, locked, unopened, closet 反义：unclose, unlatch, unlock, unseal, unfold, unclosed
turned
a. 变质的；被转动的；[金属加工]车削的

📚 更多「高一英语课文」例句

First of all, don't come in here without a teacher.
首先，没有老师领着不要进这儿。
Oh. It's very nice. How far have you been in it?
嗬，太漂亮了。你开它走了多远？
The earth shook for quite a while.
地面震动了好一阵子。
You must weigh it carefully.
你必须仔细地称一称重量。
What a lot of smoke!
好浓的烟啊！
I don't think there are. But there are more men than women scientists. And more men than women are heads of companies.
我想没有。但是，男科学家比女科学家多。而且，各公司的负责人中，男人要比女人多。