音标:[ә'lә:tnis] ;
n. 警戒, 机敏
n. a state of readiness to respond
n. lively attentiveness
词型变化:名词复数形式 : alertnesses
词性分布:
名词100%

alertness的用法和样例:

例句

用作名词(n.)
  1. The other half of the brain stays awake at a low level of alertness.另一半大脑在低水平警戒状态下保持清醒。
  2. They also increase alertness and energy.它们也能提高机敏性和精力。
  3. Without Alertness I'll be stupid.没有机敏那是愚蠢。

词汇搭配

  • alert警觉的
  • over alertness过度警觉
【近义词】

作文一直是考生得分的重点,如何让你的作文在千万考生中脱颖而出呢?下面就跟小编学习一下吧~ Enhance Awareness to Guard against Campus Thefts 1.校园盗窃案件时有发生 2.物品被盗的原因 3.学生如何加

发表于:2018-11-29 / 阅读(180) / 评论(0) 分类 四六级写作指导

Studying for a big exam at school or a presentation at work, but don't forget to get a good night's sleep. Brain scientists report more evidence this week that sleep can improve your memory. Researche

发表于:2018-12-11 / 阅读(144) / 评论(0) 分类 万花筒2006年

Never Put off until Tomorrow What You Can DoToday 今日事今日毕,是一句自古流传下来的谚语,提醒并激励人们要珍惜时间。明日复明日,明日何其多。本文则从一个新的角度诠释了这句名言。 范文:

发表于:2019-01-03 / 阅读(106) / 评论(0) 分类 四六级写作指导

For many people, getting out of bed in the morning is no easy feat, and feelings of sleepiness can drag on long into the day ahead. 早上起床对很多人来说都不是件容易的事,昏昏欲睡的感觉可能会持续一整天。 You may auto

发表于:2019-01-08 / 阅读(110) / 评论(0) 分类 实用英语

For many people, getting out of bed in the morning is no easy feat, and feelings of sleepiness can drag on long into the day ahead. 对许多人来说,早晨起床不太容易,而且一整天都会觉得昏昏欲睡。 You may automatically reach

发表于:2019-01-16 / 阅读(95) / 评论(0) 分类 实用英语

09年12月六级作文预测及范文(02) (二)Enhance Awareness to Guard against Campus Thefts 1. 校园盗窃案件时有发生 2. 物品被盗的原因 3. 学生如何加强防盗意识 ●审题概述●? 这是一篇论述校园物品被盗和加强防盗意识的文章。第一段,主要陈述校园盗窃案件发生的情

发表于:2019-02-01 / 阅读(286) / 评论(0) 分类 四六级写作指导

In a discovery that will give nutritionists the shivers, a Japanese scientist has discovered that consuming ice cream for breakfast improves a person's alertness and mental performance. 一位日本科学家的发现让营养学家们不寒而栗,他

发表于:2019-02-01 / 阅读(118) / 评论(0) 分类 趣味英语

ways to improve your alertness and cognitive function in the morning. 早晨提高你的警觉性及认知能力 Be physically active Physical activity in the morning can also help to increase your mental performance and make you more alert, as it in

发表于:2019-03-06 / 阅读(169) / 评论(0) 分类 英语听力广播—Listening

ways to improve your alertness and cognitive function in the morning. 早晨提高你的警觉性及认知能力 Listen to music 听音乐 Finally, the team suggests listening to music when you first get up. Music can cause the pupils to dilate and i

发表于:2019-03-06 / 阅读(173) / 评论(0) 分类 英语听力广播—Listening
学英语单词
a large number of
acoustic transducer array
acoustic-impact technique
air net
akame
alcaide, alcayde
alphanumeric sort
alternate depositor
aluminum copper chromium
Amurakh
antipodal condition
Apostolic Age
arc measurement
auto-analysis
auxiliary manpower
bailing drum
ball-games
brionchotome
concordant polymitosis (darlington & thomas 1941)
corrosion-proof container
crossed lines
cube photometer
deflatings
deluvian
discrete proximity
diversion aqueduct
dress suit
envermeiling
equivalent screw
extremely skew
fault DICTIONARY
Fenilbutina
fissidens areolatus
flush light panel
genus Strombus
grade schools
gradiva
gravity wave shock
guarinis
heano
Hofmeister, Wilhelm Friedrich Benedict
homards
hot air roll
icecream
idrissi
Jan Tinbergen
Kaifenheim
Kurlovskiy
labial mucosa
longworth
low content alloy
luangwa
malorientation
managing expense
mass-spectrometer detector
meniscosynovial
Mersea I.
mononuclear cell
mum-mumble
nailpiker
non member country
oxydendrums
path clearance
pennated
Perchloryl
petalode
phonophor
picture-area shift
place card
pool-and-riffle
private nurse
provide with sth
pseudo-ochronosis
pulse output
pulver-
quadrate muscle of lower lip
range integrator
reductive debenzylation
rhodium trihydroxide
rhytisma ilicis-latifoliae p.henn
scorched - earth policy
selective category
sinapisms
socialist discipline of labor
special force
stage of resistance
static programming
stereosomerism
Sukës, Mali i
swellings
system number representation
Tenazemin
thayer
thimble fire-tube boiler
tracer particle
transloader
tulipan radiometer
vegetable field
virtualization manager
water-saving
wind-eroded
Zach.