单词:artificially ventilated area
单词:artificially ventilated area 相关文章
Lesson 64 The Channel Tunnel海峡隧道 First listen and then answer the question. 听录音,然后回答以下问题。 Why was the first tunnel not completed? In 1858, a French engineer, Aime Tho
Severe drought has sent river levels in parts of central and northern China to record lows, affecting millions of hectares of farmland and leaving more than a million people short of water。 严重干旱已导致华中和华北部分地区河水水位
The International Monetary Fund is giving a bigger share of votes to Mexico, Turkey, South Korea, and especially China to account for the growing role their economies play in the world. The United States encouraged this change to give these countrie
This is Scientific American 60 second Science I am Sophie Bushwick, got a minute? As it ages, white paper turns a distinctive yellow. But why? To find out, scientists artificially aged modern paper to reveal the changes on the molecular level. The re
RACHEL MARTIN, HOST: An update now - last month, an unventilated tractor trailer smuggling migrants across the border in San Antonio became a death trap. Ten people died from the heat. Late yesterday, a federal grand jury indicted the driver, James B
Mr. Theodore Twombly, welcome to the world's first artificially intelligent operating system. We'd like to ask you a few questions. Okay. Are you social or anti-social? I think I haven't been social in a while. How would you describe your relationshi