几何光学
jǐ hé guāng xué
Pinyin

Definition

几何光学
 - 
jǐ hé guāng xué
  1. geometric optics

Character Decomposition

Related Words (20)

任何
rèn hé
  1. 1 any
  2. 2 whatever
  3. 3 whichever
  4. 4 whatsoever
何
Hé
  1. 1 surname He
何必
hé bì
  1. 1 there is no need
  2. 2 why should
何时
hé shí
  1. 1 when
光
guāng
  1. 1 light
  2. 2 ray
  3. 3 CL:道[dào]
  4. 4 bright
  5. 5 only
  6. 6 merely
  7. 7 to use up
如何
rú hé
  1. 1 how
  2. 2 what way
  3. 3 what
时光
shí guāng
  1. 1 time
  2. 2 era
  3. 3 period of time
为何
wèi hé
  1. 1 why
阳光
yáng guāng
  1. 1 sunshine
  2. 2 CL:線|线[xiàn]
  3. 3 transparent (open to public scrutiny)
何以
hé yǐ
  1. 1 (literary) why
  2. 2 how
何去何从
hé qù hé cóng
  1. 1 what course to follow
  2. 2 what path to take
何尝
hé cháng
  1. 1 (rhetorical question) when?
  2. 2 how?
  3. 3 it's not that...
何在
hé zài
  1. 1 where?
  2. 2 what place?
何妨
hé fáng
  1. 1 what harm is there in (doing sth)
何方
hé fāng
  1. 1 where?
何止
hé zhǐ
  1. 1 far more than
  2. 2 not just
何况
hé kuàng
  1. 1 let alone
  2. 2 to say nothing of
  3. 3 besides
  4. 4 what's more
何等
hé děng
  1. 1 what kind?
  2. 2 how, what
  3. 3 somewhat
何苦
hé kǔ
  1. 1 why bother?
  2. 2 is it worth the trouble?
何处
hé chù
  1. 1 whence
  2. 2 where

Idioms (20)

一寸光阴一寸金
yī cùn guāng yīn yī cùn jīn
  1. 1 lit. An interval of time is worth an ounce of gold. (idiom)
  2. 2 fig. free time is to be treasured
一寸光阴一寸金，寸金难买寸光阴
yī cùn guāng yīn yī cùn jīn , cùn jīn nán mǎi cùn guāng yīn
  1. 1 lit. An interval of time is worth an ounce of gold, money cannot buy you time. (idiom)
  2. 2 fig. Time is precious and must be treasured.
人生何处不相逢
rén shēng hé chù bù xiāng féng
  1. 1 it's a small world (idiom)
何乐而不为
hé lè ér bù wéi
  1. 1 What can you have against it? (idiom)
  2. 2 We should do this.
  3. 3 Go for it!
何济于事
hé jì yú shì
  1. 1 of what use is it
  2. 2 (idiom)
光前裕后
guāng qián yù hòu
  1. 1 to bring honor to one's ancestors and benefit future generations (idiom)
光天化日
guāng tiān huà rì
  1. 1 the full light of day (idiom)
  2. 2 fig. peace and prosperity
  3. 3 in broad daylight
光明磊落
guāng míng lěi luò
  1. 1 open and candid (idiom); straightforward and upright
光耀门楣
guāng yào mén méi
  1. 1 splendor shines on the family's door (idiom)
  2. 2 fig. to bring honor to one's family
光脚的不怕穿鞋的
guāng jiǎo de bù pà chuān xié de
  1. 1 lit. the barefooted people are not afraid of those who wear shoes (idiom)
  2. 2 fig. the poor, who have nothing to lose, do not fear those in power
光说不做
guāng shuō bù zuò
  1. 1 all talk and no action (idiom)
  2. 2 to preach what one does not practice
光说不练
guāng shuō bù liàn
  1. 1 all talk and no action (idiom)
  2. 2 to preach what one does not practice
  3. 3 same as 光說不做|光说不做[guāng shuō bù zuò]
光阴似箭
guāng yīn sì jiàn
  1. 1 time flies like an arrow (idiom); How time flies!
光风霁月
guāng fēng jì yuè
  1. 1 lit. light breeze and clear moon (idiom)
  2. 2 period of peace and prosperity
  3. 3 noble and benevolent character
大放光明
dà fàng guāng míng
  1. 1 great release of light (idiom)
天涯何处无芳草
tiān yá hé chù wú fāng cǎo
  1. 1 there are plenty more fish in the sea (idiom)
容光焕发
róng guāng huàn fā
  1. 1 face glowing (idiom); looking radiant
  2. 2 all smiles
寒光闪闪
hán guāng shǎn shǎn
  1. 1 to glitter like frost and snow (idiom)
寸金难买寸光阴
cùn jīn nán mǎi cùn guāng yīn
  1. 1 An ounce of gold can't buy you an interval of time (idiom); Money can't buy you time.
  2. 2 Time is precious.
情何以堪
qíng hé yǐ kān
  1. 1 how can this be endured! (idiom)

Sample Sentences