大宗交易系统的英文：block trading systemblock是什么意思：n. 块；阻碍；街区；大楼v. 阻止；阻塞；限制Block a hat; block a garment.制造一个帽子；制造一件衣服。 The shop assistant recommended the alphabet block and arithmetic block.
大宗的英文：a large amount; staple参考例句：To endow with wealth.给…以大宗财产Stable products shipping takes high transportation costs.大宗生产货物的运送要花费高额的运费。He had both fractional interests and majorit
大字的英文：majuscule参考例句：Headliner: Machine to produce larger sizes of type for headings.标题字机：专门排标题大字的机器。A headline spanning the width of a newspaper page.报纸的通栏大字标题Above a heap of dust
大自然的英文：nature (as in Mother Nature)参考例句：Nature has dowered her with both beauty and brains. 大自然赋予她美貌与智慧。However, sometimes nature’s bounty is not enough. 然而有时候大自然的慷慨是不够的。In spring