Conservationists say the losses could imperil the long - term survival of the creatures.自然保护协会人士认为石油泄露将 长期 威胁海龟的生存.Conservationists in Chile are concerned over the effect of commercial exploitation of forests...对森林的商业开发所...
Conservationists are mostly wedded to preserving diversity in nature.自然环境保护主义者大多致力于保持物种的多样性。a meeting of local conservationists当地自然环境保护主义者的会议Conservationists in Chile are concerned over the effect of commercial exploitat...
单萜类化合物是植物挥发油的主要成份.The monoterpenoids are dominant components in the " volatile oils " of plant species.目的: 研究腺点金丝桃挥发油成分及相对含量.AIM : To study the constituents of Hypericum Scabraum. its percentage composition.方法: 采用水蒸气蒸馏法从...
他和皮特差不多高，但更瘦。He was almost as tall as Pete, but skinnier.尽管他和威廉·皮特看法相似，却瞧不起他。He despised William Pitt, notwithstanding the similar views they both held.“她为什么想进那里面？”皮特心想。"Why does she want to get in there?" Pete wondered....
锡''.'铁片'.''薄金属块, 尤指锡.A thin sheet of metal, especially of tin.这套工具包含纤维玻璃的模具和足够生产三台脱壳器的金属块.The kit contains fiber glass mose molds and enough metal pieces to build three machines....