難句突破：
(1) The retailer said that it would not restock the bottles, which are made by Nalge Nunc International in Rochester, a unit of Thermo Fisher Scientific, until Health Canada completed a review of bisphenol-a, or B.P.A., a chemical used to make hard, transparent plastics as well as liners for food cans.
[主體句式] The retailer said that it would not ...until...
[結(jié)構(gòu)分析] 這是一個(gè)簡單句，賓語從句比較復(fù)雜。該賓語從句為帶有時(shí)間狀語從句的復(fù)雜句；該從句中，賓語bottles后有一個(gè)以which引導(dǎo)的非限定性定語從句，在該定語從句中，a unit...是前面Nalge Nunc International的同位語；在時(shí)間狀語從句中，a chemical used ...是前面B.P.A的同位語。
[句子譯文] 該零售商稱不會(huì)再重新進(jìn)這些瓶子，直到"健康加拿大"完成了雙酚a（B.P.A.）的調(diào)查后再考慮。這些瓶子是Thermo Fisher Scientific下屬的一個(gè)單位，位于羅徹斯特的Nalge Nunc國際制造的。雙酚a 是一種用于制造透明的高硬度塑料及食物罐鑲條的化學(xué)物質(zhì)。
(2) Rick Smith, the executive director of Environmental Defence, said that a paper published by 38 scientists after a government-sponsored conference in the United States found that the lack of research on the effects of B.S.A. on humans was a concern that required further investigation.
[主體句式] Rick Smith said that a paper found that...
[結(jié)構(gòu)分析]這是一個(gè)簡單句，有一個(gè)復(fù)雜的賓語從句；主語Rick Smith帶有一個(gè)同位語the executive director of ...；在賓語從句中，a paper后面是一個(gè)過去分詞短語作它的定語，在從句的賓語從句中的賓語后面有一個(gè)that 引導(dǎo)的定語從句。
[句子譯文] "環(huán)境防衛(wèi)"執(zhí)行理事里克·史密斯稱美國38名科學(xué)家在一次政府資助的會(huì)議結(jié)束后發(fā)表了一篇論文，該論文發(fā)現(xiàn)B.S.A.對(duì)人類的影響方面的研究不足，需要進(jìn)一步的調(diào)查。
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