单词:sodium acetyl-anthranilarsenate
单词:sodium acetyl-anthranilarsenate 相关文章
[00:40.18]When we talk about the universe,we mean the earht,the sun, [00:47.83]the moon and the stars,and the space between them. [00:55.20]Many of the stars cannot be seen because seen because they are too far away. [02:12.57]The moon travels round
actually 实际上 for some time 一段时间 gaze at 盯着 get a big surprise 大吃一惊 get ....in order 把整理的井然有序 have not been easy 不容易 in one's spare time 在某人的空闲时间 inch 英寸 space 空间 temporarily 暂时
The US shuttle Endeavor has returned home to the Kennedy Space Center in Florida ending its 16-day construction mission to the International Space Station. After a journey of 6.5 million miles, Endeavor touched down just one hour after sunset with i
1. Fires raging near the Palm Springs area are now to blame for the deaths of four firefighters, another is in critical condition. They were battling the blaze which is sweeping through parts of south
手机坏了,你是选择扔掉重新换个还是拿去修理一下呢?修理一些重新投入使用会给你省下不少钱..... Rob: Hello and welcome to 6 Minute English, I'm Rob and with me is Jen. Jen: Hello Rob. Rob I'm having a problem wi
CAPE CANAVERAL Two American astronauts will venture outside the International Space Station Monday to stow a failed coolant pump and extend the outpost's Canadian railway. Wearing protective spacesuits in a deadly vacuum(真空) environment, Stephen