【1】A study finds?(that省略)earthworms gain 14% less body weight when(they are省略) operating under rubber参考译文：一项研究发现，蚯蚓在橡胶环境下工作时体重减少14%。【they指代earthworms】以上整个句子语法结构分析A study【主语】//?finds?【谓语动词】//that earthworms gain 14% less body weight when(they are省略）?operating under rubber【宾语从句】以上宾语从句语法结构分析that【连词】//?earthworms【主语】//?gain【谓语动词】//?14% less body weight 【宾语】//when(they are省略）?operating under rubber【时间状语从句】备注：under rubber为介词短语作地点状语，修饰谓语动词are operating或者修饰现在分词operating。【2】Ms Davison of the RHS(皇家园艺学会)says ( that省略)a group of wildlife-loving gardeners is booming,many having caught the bug during COVID-19 lockdowns. For example, a landscape designer says (that省略）they like things less neat and try “to capture that wild element”.参考译文：皇家园艺协会(皇家园艺学会)的戴维森女士表示/说道，热爱野生动物的园丁群体正在迅猛发展，许多人在COVID-19封锁期间感染了这种病毒。例如，一位景观设计师表示/说道，他们喜欢不是很整洁的东西，并试图“捕捉自然生长的元素/成分”。备注：many having caught the bug during COVID-19 lockdowns.为代词+现在分词完成体的独立主格结构作状语。【分句A】Ms Davison of the RHS(皇家园艺学会)【主语】//says?【谓语动词】//(that省略)?a group of wildlife-loving gardeners is booming【宾语从句】//【独立主格结构B】,many having caught the bug during COVID-19 lockdowns. 【分句C】For example, a landscape designer【主语】//?says【谓语动词】?(that省略)?they like things less neat and try “to capture that wild element”【宾语从句】//备注：分句A和分句C都是that引导宾语从句