单词:cement mould
单词:cement mould 相关文章
Grammar Girl here. Todays topic is cement versus concrete. Guest writer Sal Glynn writes: Accuracy is important. You might think concrete and cement are interchangeable, but you'll quickly find that you're mistaken when some guy at Home Depot rolls h
[00:07.16]READING [00:07.97]A HEALPING HAND [00:09.14]A Wang Lin is a carpenter who lives in eastern China with his wife and son. [00:12.49]Two years ago, he was diagnosed with tuberculosis. [00:15.33]He was getting weaker and suffered from constant
[00:07.16]READING [00:07.97]A HEALPING HAND [00:09.14]A Wang Lin is a carpenter who lives in eastern China with his wife and son. [00:12.49]Two years ago, he was diagnosed with tuberculosis. [00:15.33]He was getting weaker and suffered from constant
Putting fresh groceries in the fridge is the quickest and easiest option after a shop, but whether or not those items belong in there is another story. 把新鲜食品放冰箱里是从商店回来后最先做、也是最容易做的事,但那些食物
Cement is a major component of concrete, the world's most widely used man-made material, an integral part of roads, bridges and buildings. But making cement requires heating limestone and other materials to very high temperatures, a process that rele