to block its end.3 Push foam onto end of large straw (for safety).3 Push foam onto end of large straw (for safety).(Foam/Largestraw)(Foam/Largestraw)4 Slide large straw down over thin ……

如何制作简易火箭？. ……

欢乐的泡沫大战What a fun fight this is! Students from University of St Andrews (圣安德鲁斯大学) are throwing foam at each other. The foam fight is an old tradition. It started 600 years ago.Now it is like a big ……

VCGVCGTroubled by toxic foam: A man took his boat to help clean up toxic foam (有毒的泡沫) in the Yamuna River in New Delhi, India. The foam is the result of many pollutants (污染物). India Today magazine ……

VCG  Toxic foam shows up in a river in India because of heavy pollutionToxic foam shows... to help clean up toxic foam (有毒泡沫) in the Yamuna River in New Delhi, India. The foam is the result ……

together. For this one, you need two googly eyes (可以转动的眼睛). Use blue craft foam (手工泡沫纸) as a nose. Use red craft foam as a mouth. Glue them on a blue bottle cap.For this one, you need two googly eyes ……

of the windows. These boxes were made of foam plastic (发泡塑料). This does harm to the environment, because it can last for more than 200 years. In 1999, China banned the use of foam plastic for dinnerware ……

.The latest creation is an injectable foam (可注射的泡沫), which will help grow new bones and help bones heal (愈合) within the body. The foam is made of something called calcium phosphate cement (CPC, 磷酸钙骨水泥), which ……

1. How did the boy get two real T-shirts?2. How many people can Airlander 10 take at one time?3. Why did Hove make the castle from foam? ……

Girl: I’m covered with foam (泡沫). It feels great. I feel like I’m in Wonderland!Boy: Yes. You have.... – By Zhaoyang, 16, JiangsuBoy: Keep this pose (姿势). Now that you are dressed in a “water foam dress”, your ……

Celebrate with foam: Students from St Andrews University, Scotland, participate in the traditional... in adapting to university life. Nowadays the raisins have been replaced with a bottle of wine and foam ……

VCGVCG点茶：雅致的宋人生活美学点茶：雅致的宋人生活美学Dian Cha is a traditional Chinese tea art. Artists draw in foam using tea paste as “paint”.Dian Cha is a traditional Chinese tea art. Artists draw in foam ……

China will lift the ban on the production of *disposable foam plastic *tableware this month.Officials from the National Development and Reform Commission told Xinhua that foam plastic tableware ……

CHINA will lift the ban on the production of foam plastic tableware (发泡塑料餐具) this month.Officials from the National Development and Reform Commission told Xinhua that foam plastic tableware ……

, it produces a white foam (泡沫)?The foam consists of small air bubbles surrounded by very thin films (薄层) of soap and water. When light enters the foam, it is partly reflected (反射) by every film surface ……