模态双折射, 模态双折射性

For VOA Learning English, this is Everyday Grammar. This week we are going to show you how to give advice using modal verbs. Modal verbs (called modals for short) are auxiliary verbs that express a speaker's attitude and the strength of that attitude

发表于:2018-12-08 / 阅读(167) / 评论(0) 分类 2018年VOA慢速英语(二)月

We often need to tell others what someone else said. There are two ways to do this. One is to say the same words and use quotation marks. That is direct speech. The other method is to summarize, or tell about what someone said. This is called reporte

发表于:2018-12-08 / 阅读(439) / 评论(0) 分类 2018年VOA慢速英语(二)月

Imagine that you are planning to travel to another country. There is a lot that you need to do before you leave. Here are some things that might need to be done: Your passport has to be renewed. Your hair still needs to be cut. Your shoes should be r

发表于:2018-12-08 / 阅读(134) / 评论(0) 分类 2018年VOA慢速英语(四)月

If you asked even the most knowledgeable Americans, they probably could not tell you more than a few meanings for the word so. It is an everyday word that most people use without even realizing its complexity. But this mysterious little word can act

发表于:2018-12-16 / 阅读(132) / 评论(0) 分类 2018年VOA慢速英语(十)月

本单元是关于讨论棘手问题的会议的对话 Boss: Come in. Ah, Tim, how can I help? Tim: Erm, well, I think you should read this letter from the watch repairers. Boss: Oh yes, let me see it? hmm, well, I imagine someone in their office must have made a mis

发表于:2018-12-26 / 阅读(162) / 评论(0) 分类 公寓伙伴

English can be a complex language to master. It has a lot of rules and breaks many of them. No matter your level of English, forming questions can be one of the more vexing parts of mastering the language. The good news is that we are here today to m

发表于:2019-01-03 / 阅读(134) / 评论(0) 分类 2018年VOA慢速英语(九)月

Everyday Grammar: You Had Better Learn Modals! 英语日常语法:情态动词 For VOA Learning English, this is Everyday Grammar. This week we are going to show you how to give advice using modal verbs. Modal verbs (called modals for short) are auxi

发表于:2019-01-12 / 阅读(156) / 评论(0) 分类 2015年VOA慢速英语(七)月

Everyday Grammar: Mastering Reported Speech We often need to tell others what someone else said . There are two ways to do this. One is to say the same words and use quotation marks . That is direct speech . The other method is to summarize , or tell

发表于:2019-01-12 / 阅读(127) / 评论(0) 分类 2015年VOA慢速英语(七)月

You Really Should Learn Modals! For VOA Learning English, this is Everyday Grammar. This week we are going to show you how to give advice using modal verbs. Modal verbs (called modals for short) are auxiliary verbs that express a speaker's attitude a

发表于:2019-01-12 / 阅读(181) / 评论(0) 分类 2016年VOA慢速英语(六)月

They Say That Reported Speech is Easy We often need to tell others what someone else said. There are two ways to do this. One is to say the same words and use quotation marks. That is direct speech. The other method is to summarize, or tell about wha

发表于:2019-01-12 / 阅读(247) / 评论(0) 分类 2016年VOA慢速英语(四)月

AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster, meet the modals! RS: Modals are words like can, could, will, would, may, might, and must. The list goes on. And they can be tricky to learn. AA: We get more of an introduction fro

发表于:2019-01-18 / 阅读(157) / 评论(0) 分类 英语单词大师-Word Master

Broadcast on Coast to Coast: June 20, 2002 Re-broadcast on VOA News Now: June 23, 2002 AA: I'm Avi Arditti with Rosanne Skirble, and this week on Wordmaster, meet the modals! RS: Modals are words like can, could, will, would, may, might, and must. Th

发表于:2019-01-25 / 阅读(171) / 评论(0) 分类 词汇大师(Wordmaster)

Modal verbs are helping verbs. We use them with main verbs to help us express ability, possibility, necessity and permission. Todays question is about a modal that is commonly confused with an expression. Heres the question, which comes from a listen

发表于:2019-02-06 / 阅读(139) / 评论(0) 分类 2019年VOA慢速英语(一)月
学英语单词
acinous cell
ambulatorius typhus
amese
Anaingpun
anchor grouting
arend-Roland comet
babits
benzodioxan test
BiP/KAR2p
by surprise
call accounting software
Canicula
carbonhydrates
carus
collonema
confidence games
Dearlove
depreciation of monetary standard
direct route
downlevel
draw in collet chuck
drug-administration
duty free importation
electrometer value
fairness commission
farm-boy
feeding pen
flight delivery
free from alongside
gas permeability constant
geiss
go for the glove
granitises
groupoidal
haploperox
heat exchange coefficient
heavy-element chemistry
high speed aerodynamics
high-lift cam shaft
hot wire flowmeter
hsb
immunotropic
IREP
jodice
kims
kokoshniki
koyemshi (n. america)
lake effect
logical file designator
longus capitis
loverman
medical evacuation
mess supervisor
milk of magnesia
miller oscillator
minimal music
more-common
musculus occipitoscapularis
musculus rhomboideus externus
NCB
nibletts
nonsubstances
obstruction gauge limit
paralipomenons
patch-panel
Payable Tons
periodontal dressing
picibanil
pitch element
plantation density
polyoxamide
prairieville
purple state
put on the dog
quasidocumentary
resistance balance
rim jobs
saturated infiltration runoff
semi-stratifiable
semimicro-quantitative inorganic analysis
Shiringushi
South Saskatchewan R.
specialized meteorological service
spread coater
stable-companions
stacking hatch cover
straeten
straight jaw
strategic air arm
strip surfacing
subject category index
tape-limited operation
tathlina l.
telephone emission
thiazoline
thrust stage
torrid zones
unclarified
variable factory over head
windeyer
wolfcubs