短半衰期核种;短寿命核素

Todd: OK. Hey, hello! Tim: Hey, how's it going? Todd: Doing pretty good. Could you introduce yourself please? Tim: Yeah, I'm Tim Peterson. I'm from Oregon in the United States. Todd: Oh, nice. You're from Oregon. Tim: Yeah. Todd: OK, and were you bor

发表于:2019-01-02 / 阅读(58) / 评论(0) 分类 英语访谈对话

VOA Learning English presents Americas Presidents. Today we are talking about William Henry Harrison. Although he was elected in 1840, many Americans still remember his catchy campaign slogan: Tippecanoe and Tyler, too. Tyler referred to John Tyler,

发表于:2019-01-02 / 阅读(31) / 评论(0) 分类 2017年VOA慢速英语(四)月

Let's come back to our tech CEO's question. 再来说说科技公司老板的问题 Where better to turn for advice than nature, 哪里有向比大自然求教更好的呢? that's been in the business of life and death for longer than any company? 大

发表于:2019-01-18 / 阅读(38) / 评论(0) 分类 TED演讲科学篇

Todd: OK. Hey, hello! Tim: Hey, how's it going? Todd: Doing pretty good. Could you introduce yourself please? Tim: Yeah, I'm Tim Peterson. I'm from Oregon in the United States. Todd: Oh, nice. You're from Oregon. Tim: Yeah. Todd: OK, and were you bor

发表于:2019-01-20 / 阅读(22) / 评论(0) 分类 原版英语对话1000个

Todd: OK. Hey, hello! Tim: Hey, how's it going? Todd: Doing pretty good. Could you introduce yourself please? Tim: Yeah, I'm Tim Peterson. I'm from Oregon in the United States. Todd: Oh, nice. You're from Oregon? Tim: Yeah. Todd: OK, and were you bor

发表于:2019-01-20 / 阅读(21) / 评论(0) 分类 原版英语对话1000个

D: everything's great. And you? M: same here. Have you seen any new films recently? D: no, I haven't had a chance to. But I've been watching a Chinese TV series called Chinese-Style Divorce. M: oh, really? I saw it two years ago. It's worth seeing an

发表于:2019-02-08 / 阅读(23) / 评论(0) 分类 英语口语
学英语单词
acknowledge receipt of
adagio
antiepilepsirine
bias check (marginal check)
bouquet of circles
Campo San Cepé
celiopathy
cement bin
cercospora leaf spot of heet
Chamic languages
changer in consumer preference
Choeronycteris
contract of sales
control point surveying
criticos
cross-court
ctenocyst
curved needle holders
endophthalmitis phacoallergica
entire obligation
even loop
exponent underflow
facility telecommunication
flash-arc
fool along
forest density
free in and out freight rate
gibblets
gotten well
grid drive
ground be covered with acorns
in rem
inferiourity
introducer (instrument)
laminated pole-shoe
lampasette
Loran navigation
lose sleep over
Manglietia kwangtungensis
margin safety
marine information processing technique
marketing station
mathematical operator
mazzinis
medulla ossium
migration path
modified latex
mondongo
mottled rot
mycelia sterilias
mysteriousness
no control print
non-reimbursable
Norwegian Deep
oipr
oscinella ventralis
palmette
papular fever
phanostenine
phenylpyrazoles
potassium bromate titration
preemulsion
printer's error
Prudent-man
quinidine lactate
radiation ionizing
rakov
reactivity hazard
real time processing communication
recriminalization
reliability acceptance test
reluctates
reversible twill
Saint Nicholas Day
saturated solution
scale model antenna measurement
seaw
Seller's Call
Seravase
serial coding
sharp mouth
shellcracker
simplification
six perfections
sketch design
skid-resistance
source follower circuit
spold
St-Laurent-de-la-Cabrerisse
steam cylinder
test report
three engined
touting for
train program subsystem
transrhenane
uneven market
vibration excitation
videodensitometric
war on
washing elevator
whoopsies
yggdrasils