单词:pyrocatechin
phenol series, found in various plants; -- so called because first
obtained by distillation of gum catechu. Called also catechol,
oxyphenol. etc.
单词:pyrocatechin 相关文章
Having a good chat Neil : This is Real English from BBC Learning English. Im Neil. Helen : And Im Helen. Neil : Today were going to look at words and phrases that have recently become part of the English language. Helen : 在我们的Real English《地道
AS IT IS 2015-12-11 A Long Recovery Ahead for Myanmar Chin State Floods and landslides in the Chin region of Myanmar displaced thousands of people this summer, but recovery has just begun. Almost 20,000 people were displaced by severe weather in west
Burmas Kachin Conflict Escalates Burmese air strikes on Kachin military positions mark a significant escalation in the battle with the Kachin Independence Army, which is fighting for greater autonomy. Few reporters are on the ground. This footage was
STEVE INSKEEP, HOST: Today from StoryCorps on this Friday, we have memories of a Chinese-American immigrant killed 35 years ago today. Vincent Chin was a draftsman living near Detroit. In 1982, Chin and a group of friends went out to celebrate his up
【俚语】 Keep your chin up 不要气馁! keep your chin up 的理解较为宽泛:多译为:别灰心、保持斗志、挺起胸膛、振作起来、不要气馁。 注意:keep your chin up 多用来鼓励失落、受挫的人。 【例句】
Dialogue 1 Mark: Hey, Jingjing. You wanna come bungee jumping with me and my friends? We're heading out this afternoon. It's gonna be so much fun! 马克:嘿,京晶。你想加入我和我的朋友们去蹦极吗?我们今天下午出发,肯定