童心惠敏
blackboard音标，英式英语可以写成 [ˈblækbɔːd] ， 美式英语可以写成 [ˈblækbɔːrd]。
详细翻译：n.黑板，平台，毕博，粉笔战士
近义词：chalkboard：黑板
相关短语：
blackboard eraser 黑板擦 ; 板擦儿 ; 擦拭黑板的刷子
Blackboard Squash 黑板上的粉笔小人 ; 别让黑板人被压扁
look at the blackboard 看着黑板 ; 看黑板 ; 手指黑板
Beyond the Blackboard 讲台深处 ; 黑板背后
双语例句：
I can't see the blackboard.
我看不见黑板了。
youdaoHe drew a trunk on the blackboard.
他在黑板上画了一个树干。
Here is a blackboard and two fans.
这有一块黑板，两台电扇。
jessiemaomao
rule读音：英 [ru:l] 美 [ruːl]
n.规则，规定;统治，支配;章程
vt.& vi.控制，支配;判定;裁定，裁决;价格稳定
vt.统治;规定;管理;裁决
vi.统治;管辖;裁定
第三人称单数： rules 复数： rules 现在分词： ruling 过去式： ruled 过去分词： ruled
例句：
1、Sikhs were expected to adhere strictly to the religious rules concerning appearance
锡克教徒应当严格遵守该教对外表的规定。
2、An important rule is to drink plenty of water during any flight
一条重要的原则就是每次坐飞机都要多喝水。
3、It is a rule of English that adjectives generally precede the noun they modify.
形容词一般放在所修饰名词的前面是英语中的一条规律。
4、However, for many Americans today, weekend work has unfortunately become the rule rather than the exception.
然而，现在对于很多美国人来说，周末工作不幸已经成为了一种普遍情况，而非例外。
5、For four centuries, he says, foreigners have ruled Angola
他说，外来者统治安哥拉的时间已长达4个世纪。
扩展资料：
三角尺英文：set square
英 [set skwɛə] 美 [sɛt skwɛr]
n.三角板
例句：
1、Jaws and teeth strong with regular scissors bite, set square to the jaw.
腭部和牙齿由于剪状咬合显得强有力，并保持了腭部的方型。
2、The set square is moved up and down when drawing parallel lines, and the set square and the ruler can be independently used.
在画平行线的时候，只需将三角板上下移动即可，还可将三角板和直尺分开单独使用。
3、Jaws/ teeth: Jaws strong with perfect, regular and complete scissor bite, i.e. Upper teeth closely overlapping the lower teeth and set square to the jaws.
颌/牙齿；颌结实，正常咬合、整齐且完全，即上、下颌紧密重叠并成方形。
4、A simple method of estimating refractive index of glass prism using only a pencil and a set square is presented.
本文绘出了一种只需一支铅笔、一付三角板即可目视估测三棱镜折射率的简单方法。
5、The Bending of Set Square Under Uniform Loads
均布载荷作用下的三角形板弯曲
天晟哥哥
blackboard的音标英式发音是 [ˈblækbɔːd]，美式发音是 [ˈblækbɔːrd] 。
中文翻译：
n.黑板
clean the blackboard 擦黑板
on the blackboard 在黑板上
to the blackboard 对着黑板
1.The teacher is writing on the blackboard.
老师在黑板上写字。
2.Xiao Hong's duty is to clean the blackboard.
小红的值日任务是擦黑板。
chalk 粉笔
blackboard eraser 黑板擦
triangular ruler 三角尺
rag 抹布
platform 讲台
金德易BOSS
Stationery 文具Desk top instruments: hole punch, Stapler and staples, tapes and dispenser,Drawing instruments: brushes, colour pencils, crayons, water colour,ErasersFiling and storage:Expandable fileFile folderHanging file folderIndex cards and filesTwo-pocket portfoliosMailing and shipping supplies: EnvelopePaper and pad:Notebooks, wirebound notebook, writing padsOffice paper: dot matrix paper, inkjet paper, laser paper, Photocopy paper.Writing instruments: ballpoint pen, fountain pen, pencil, porous point pen, rollerball pen, highlighter pen
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