音标:['læktæm] ;
n. [化] 内酰胺, 乳胺
n. One of a series of anhydrides of an amido type, analogous
to the lactones, as oxindol.
词型变化:名词复数形式 : lactams

lactam的用法和样例:

词汇搭配

  • lactam form内酰胺式
  • lactam-lactim tautomerism肽链中的酮醇互变异构...
  • lauric lactam月桂内酰胺

[00:00.00] Unit 4 [00:03.08]1.Listen and choose the words you hear. [00:27.56]2.Listen and write the misssing words. [01:06.46]3.Trun the sentences you hear into questions. [01:40.83]4.Choose the sentences which are similar in meaning to the sentence

发表于:2018-12-04 / 阅读(105) / 评论(0) 分类 初中英语(深圳&香港文达版)第三册

[00:00.00]2a Listen and number the pictures 1-4. [01:41.20]2b read the sentences below. Then listen again and circle T( for true ) of (for false). [03:26.55]5. listen to the tape. Read and listen again. Then practice the song.

发表于:2018-12-04 / 阅读(75) / 评论(0) 分类 初中英语山东版六年级上

[00:00.00]2 Pronunciation [00:05.80]Listen and say. [00:08.90]ear,ere,eir bear pear wear [00:20.98]there where their [00:25.59]3 Listen and circle [00:28.79]Listen and circle the sentences you hear. [00:34.09]1 Can you tell me how to get to the museu

发表于:2018-12-29 / 阅读(59) / 评论(0) 分类 外研社新标准初中英语八年级

[00:02.51]UNIT 4 It's nice to meet you. [00:06.65]3 Read and guess. [00:10.25]Then listen and write. [00:13.04]Read the questions and sentences below. [00:17.18]Guess the missing words. [00:19.68]Then listen and write the missing words. [00:23.86]1 H

发表于:2018-12-29 / 阅读(39) / 评论(0) 分类 外研社新标准初中英语七年级

歌词如下: Everybody s talking with you and me in English! Everybody s singing with you and me in English! We are happy to be together. And we are happy to see another show! Come on!Let s go together! You and me! Learn the words,and sentences, a

发表于:2018-12-31 / 阅读(34) / 评论(0) 分类 英语儿歌274首

1. The sole survivor of the Sago Mine tragedy, Randy McCloy, released a letter detailing the last hours of the 12 miners who did not make it out. In the letter, McCloy talked about trying to signal th

发表于:2019-01-08 / 阅读(107) / 评论(0) 分类 美联社新闻一分钟2006
学英语单词
aconane
acousticelements
ahead of scheduled time
air-ballast pump
amf
anthelvencin
apoplastic transport
average height of highest one-third wave
back gutter
bale stook lifter
bellpull
binder course
bleeding out
board game
Bouce
Bourg-Blanc
Carzolano, Mt.
categorises
chromosome fragment
CLUP
compound bending
computer network components
control reversal
controllable pitch propeller gear
crescentic lobes
crestal axis
Day-Count Convention
Differential Travel
double wedge aerofoil profile
dwarf elliptical galaxy
ear neoplasm
Empire Building
exhaust fired boiler combined cycle
expanses
expectation damages
fibroma of ear
Firework Night
fundal gastritis
Gare
germ weapon
grain traveller
half-height
imaging photopolarimeter
index sequential data set
instructional-level
intensity ratio method
interphasal correlation
Klausenburg
Kurday
lagneia furor
laife
Land of the Dragon
lechodochium
limiting angular subtense
liquid carburizing
load change test
lobulus auricul?
long-span steel framing
look box
lullings
marine air-traffic control and all weather landing system
martapura (martapoera)
maseca
nanocolumns
neofascisms
neutralness
newsagent
nonribbed
note values
noting of bills
nuclear fissions
orthocresol phthalein
overhead information
permanent hearing loss
photoconductors
place identity
reattainments
repeater satellite
ring-a-ring
sarava
sloping valve
solvent decarbonizing
stage-duration curve
standard volmeter
supergravitational
supraventricular
system interrupt action
system of majority representation
target selection
territory-marking
torutopsis candida var. marinae
unfathered
unsharpened
vertical ingot
visual type
vitamin ps
vtable
withier
wojo
X-ray metallography
zone star