单词:tetrammine cobaltichloride
单词:tetrammine cobaltichloride 相关文章
00:04.95]第六课 上学 [00:09.90]a bus [00:13.98]巴士 [00:18.05]an MTR train [00:23.52]地铁列车 [00:29.00]a train [00:33.32]火车 [00:37.64]a car [00:42.21]私家车 [00:46.79]a minibus [00:50.96]小巴 [00:55.14]a tram [00:59.13]电车 [01:03.11]I can see a t
模块三 安置和活动 [00:06.19]Unit 1 [00:07.61]单元一 [00:09.04]A day at school [00:10.48]在学校的一天 [00:11.91]Look and read [00:13.95]看并且读 [00:15.99]Hi!I'm Wendy.This is my school.It's small!There are two floors. [00:21.97]嗨
[00:05.45]第四课 公共交通工具 [00:10.89]A Talk about the different kinds of public transport. [00:17.27]说说不同的交通工具。 [00:23.64]a bus the MTR [00:28.41]巴士 地铁 [00:33.18]a train a tram [00:37.80]火车 吊车 [00:42.42]a taxi a ferry [00:46.39]
Every winter some twenty million tons of salt are dumped on America's road.That sodium chloride melts the ice, so it prevents its formatin, helping to prevent accidents. But road salt has its downside. This is not very economical because salt is main
This week on Why Tell Me Why, we are finding out why the oceans are so salty. So the oceans are salty because the oceans have been around, lets say, for over five hundred million years. And over the course of time what we found out is that weve alway
本期内容: A stolen bottle of vodka thought to be the world's most expensive at $1.3m has been found empty on a construction site, Danish police say.The bottle, made from gold and silver and with a diamond encrusted cap, was on loan to a Copenha