单词:non hazardous
[网络] 非危险品;无危害性
单词:non hazardous 相关文章
38 Topaz Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone precious topaz. The best-known precious topaz gems range in color from rich yellow to l
Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone
Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone precious topaz. The best-known precious topaz gems range in color from rich yellow to light brown
By Paul Burge London 05 May 2008 An exhibition is opening at the Imperial War Museum in London, marking the centenary of the birth of writer Ian Fleming, the man who created the world's most famous secret agent, James Bond. Paul Burge has the story o
The script of this programme 本节目台词 Lily arrives at the museum to interview Terry Charman Lily: Hello, I'm Lily. Welcome to On the Town from BBC Learning English. Sun: 我是孙辰。今天的城市掠影节目我们要向大家介绍的是英国著名的战争博物馆。 Lily:
Topaz Topaz is a hard, transparent mineral. It is a compound of aluminum, silica, and fluorine. Gem topaz is valuable. Jewelers call this variety of the stone precious topaz. The best-known precious topaz gems range in color from rich yellow to light