时间:2018-12-13 作者:英语课 分类:与美国小学生一起学英文第3册


英语课

   Hexagon 六边形


  A hexagon is a shape that has six edges and six vertices. 六边形是有六条边和六个顶点的图形。
  In other words, a hexagon has six angles 1 and six straight sides. 换句话说,六边形有六个角和六条直边。
  The angles inside of a regular hexagon add up to 720°. 标准六边形内角的总和是720度。
  Can you find hexagon-shaped objects around you? 你能找到周围的六边形物体吗?
  Honey combs are hexagons. 蜂巢是六边形。
  Some snowflakes are hexagons. 一些雪花是六边形。
  Also turtles' backs have hexagon shapes. 海龟壳也有六边形。

1 angles
n.角( angle的名词复数 );[比喻](考虑、问题的)角度;观点;轮廓鲜明的突出体
  • She angles her reports to suit the people she is speaking to. 她带着一定的倾向性作报告以迎合她的听众。 来自《简明英汉词典》
  • Angles of less than 90 degrees are called acute angles. 小于90度的角叫锐角。 来自《简明英汉词典》
标签: 小学英语
学英语单词
acetoxy group
Addition of Cargo
air cooler
angled field
apparent brightness
Asian pears
ball-and-stick
bark bread
be swimming in something
bench blasting
bisaccates
Blastin
bulling
calorizing(-sing)
cathode ray null indicator
characteristics
comment phrase
communication control console
cone friction wheel
decolonisations
difference scale
direct narration
disintegration electron
distorted reception
document-copying paper
double firing
Drepanon, C.
emp-num
engine cowling
enmuse
enseeled
equal effect
examining endoscope
femorals
fused drop
gastric ganglion
Gierke's respiratory bundle
Gynym
harem pen mating
Huang Chao
hump speed
hyperplhasia of vulva
impact hardness tester
in september
inexhausted
internationalism
isogamate
Jakobselv
Kalaba
lead stories
Litzmann's obliquity
load/rewind button
Luoping
Manic Street Preachers
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marstans
mean-flight-time-between-failures
metagraywackes
metasyphilis
midblastula
mitotic chromosome
Mixters
morphism
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narcocracy
navel-timbers
nonincreasing function
oblique muscles
ofersear
PEQC
Pittosporum johnstonianum
pomaise
profit theory
program check run
recens
region status word bit pattern
reporting at customs
ROM BIOS
room key
round-trip times
sandalwoods
sanitary system
SDDG
semi-desert ecosystem
semi-religious
senociclin
sheep-shank
short sharp shock
slope face
spearfast cross-cut saw
stannane
summation reflex
supercools
talent
tamao
tetragonitid
thermal degradation
tng
transpalmar
ts'ai t'iao wu
two cycle principle
Yorito