追溯到
[法] 追溯, 回溯到

trace back to的用法和样例:

例句

  1. His family traces back to the Norman Conquest.他的家世可追溯到诺曼人征服英国的时代。
  2. This custom can reach back Tang Dynasty.这个风俗可追溯到唐朝。

Unit 7 Hot summer [00:14.45]student book page 32 [00:18.34]Let's act [00:20.64]Let's go to the beach.Let's play on the beach. [00:28.24]Let's pick up shells. [00:32.03]student book page 33 [00:37.90]Let's talk [00:40.78]Summer is hot.The sun is hot.

发表于:2018-12-13 / 阅读(137) / 评论(0) 分类 沪教版牛津小学英语二年级

Unit 1 Farm animals [00:31.66]student book page 2 [00:35.37]Let's act [00:35.44]Draw the cow on the paper [00:39.20]Draw the duck on the ground. [00:45.16]Let's talk What do you see? [00:57.88]I see a duck I see a hen I see a pig I see sheep [01:10.0

发表于:2018-12-13 / 阅读(157) / 评论(0) 分类 沪教版牛津小学英语二年级

MARY LOUISE KELLY, HOST: The phrase leave no trace is often used to describe good behavior in national parks, meaning enjoy the scenery, and then leave the park exactly as pristine as you found it. The new movie Leave No Trace is about a father and d

发表于:2018-12-18 / 阅读(53) / 评论(0) 分类 2018年NPR美国国家公共电台7月

[00:00.00]Unit 3 [00:03.74]Shake your shoulders [00:06.19]1.Chant. [00:15.02]Left,right.Left,right.March all day,march all night. [00:27.69]Up and down.Up and down.On we go,round the town. [00:42.16]2.Sing and do the actions. [00:54.80]Shake,shake,sh

发表于:2019-01-09 / 阅读(96) / 评论(0) 分类 新标准小学英语学生用书3册(三年级起点)

By Peter Heinlein New York City 05 October 2007 Runners on the streets of New York are commonplace this time of year. There is the marathon next month, and occasionally, other organized runs. But one annual event has skyrocketed to prominence in rece

发表于:2019-02-03 / 阅读(101) / 评论(0) 分类 2007年VOA常速英语(十月)

scope n.(活动)范围, 机会, 余地 解析:an investigation of wide scope大规模的调查 beyond sb.'s scope非某人所能了解 give (sb.) scope for给发挥的机会 outside sb.'s scope超出某

发表于:2019-02-06 / 阅读(46) / 评论(0) 分类 考研英语
学英语单词
a parte ante
Acey
acid tartrate
air-vessel
alignment clearance
anarchy symbols
attitude keeping
auxiliary bus-bar joint
balance payment
Ban Tak
bicoudate catheter
book stone
Brehon laws
bulk row fetching
cable beach
Camellia remotiserrata
carnoys
caudal articular facet
Chanukah bush
chloroform-ether mixture
chrionema chryseres
coal tar chemistry
computed push button
cosas
cylinder bank
deep-submergence rescue vehicle
detect in the act
died
dryopteris labordei (christ) c.chr.
dysyng
elemental furnace
emteroceptive reflex
envenoming
enzymoelectrophoresis
fagus longipetiolata sem
ferro-silicate
fibre optic array
flax seed coal
freely-movable bearing
gas-pipe
glass-forming material
hemodiluted
holarthritis
horse laugh
hovercraft dredger
id-al-adha
impingement cooling
interferonalfa
invertebrate histology
iodocompound
john marstans
Kartaly
Kipsigis
labeling procedure
lapping-machine
legitimatising
Leyden's duct
librarying
lluminated rocket
masked gout
minimum tree problem
moisi
mutual electrodynamic force
NETROOM
nidus avis (cerebelli)
nimbless
ofsting
oil reservior
osteopaths
paper-shelled
pharmacophoric
pin hole-free film
pipe vise chain
portable ropeway
power creep
premolars
professional surgery disease
protective equipment
prozona
radial cooling slot
release of route locking
remotely-controlled aircraft
root square deviation
Scharnitz Klause
soap film gas meter
sob (sealing oil backup pump)
solsticial tide
special nucleus
squeers
stereotactic surgery
surfaceward
symbolisings
tamanite
taproot and lateral root
tetanoid
Textryl
the hokey-pokey
three rail point
Thyrsopteris elegans
train control order
tunnel shaft bearing
turning wheel