查询词典 as if a precious jewel had fallen into one's hands

Thiourea and its derivate have an important performance in the analyses of precious metals.Their application to photometric analysis,electrochemical methods,atomic absorption spectroscopy,separation and enrichment of precious metals have been concerned.The related research and development since 1980 have been reviewed.

马媛硫脲及其衍生物(R-NH-CS-NH-R′)以其独特的分子结构在贵金属分析中一直占有重要位置，它们在贵金属的光度分析、电化学分析、原子吸收光谱分析和分离富集等领域中的应用一直为人们所关注，本文重点评述1980年以来相关的研究与发展。

In this context ,a bicultural life is something rare and precious, and likeall things precious it is also fragile.

从这个角度看，能同时生活在两种文化中是非常难得和珍贵的经验，而像所有珍贵的东西一样，它也是很脆弱的。

Zhou Chao has an individual, like precious fox fur-lined jacket and precious food particularly.

周朝有个人，特别喜欢贵重的狐皮袄和珍贵的食品。

Cross stitch patterns precious moments baby items hummel values pictures of precious moments ...

跨缝模式，珍贵的时刻婴儿物品胡默尔价值观的照片，珍贵的时刻。。。

Clear, understandable pictures and useful, scientific descriptions of over 130 kinds of precious and semi-precious gems.

清晰，易於理解的图片和有益的，科学的描述超过一百三十〇种宝石及半宝石。

We are a manufacturer of Precious, Semi-precious Gem Stones and 925 Sterling Silver Jewelry.

我们是一家制造商的珍贵，半珍贵宝石石块和925纯银首饰。

Just what are precious and semi-precious stones?

究竟什么是宝石和半宝石呢？

There are many precious and semi-precious stones that can be used in the setting of an engagement ring to give it an individual feel.

有许多珍贵的半宝石，可用於设立一个订婚戒指，给它一个人的感觉。

Products are mainly applicable to all kinds of precious stones, semi-precious stones , Glass and ceramics, and other processing.

产品主要适用于各种宝石，半宝石，玻璃和陶瓷等加工制造。

Actually, some high-quality semi-precious stones are far more expensive than some low-grade precious stones

但实际上，有些高品质的半宝石远比某些级数低的宝石要贵重许多

Can you take part in the English Evening tonight?

你能参加今晚的英语晚会吗？

The houses had little gardens around them, but they didn't seem to raise hardly anything in them but jimpson-weeds, and sunflowers, and ash piles, and old curled-up boots and shoes, and pieces of bottles, and rags, and played-out tinware.

此外便是灰堆，破旧的鞋靴，破瓶子，破布头和用旧了的白铁器具。围墙是用各种板子拼凑的，在不同的时间里给钉牢的，歪歪斜斜，很不雅观。大门只有一个铰链――是皮做的。