英语听力精选进阶版 15372（在线收听） |
Old picnic new archaeology Grammar remnants small parts of something that are left after the rest of it has been eaten or destroyed littering throwing waste and rubbish away and leaving it on the ground in a public place pigs' udders the parts of pigs' bodies where piglets get milk from trotters pigs' feet, especially when cooked and used as food trench long narrow hole dug into the surface of the ground a controlled experiment a scientific test done under certain conditions decompose the chemical breakdown of material over time vanished disappeared suddenly oversee supervise a plaster cast a hardened cover made of a mixture of a white powder and water that dries quickly |
| 原文地址：http://www.tingroom.com/lesson/yytljxjjb/476949.html |