The processes of photosynthesis,by which carbon dioxide and water are combined --in the presence of chlorophyll and with energy derived from light-- to form sugars,require that carbon dioxide from the air enter the plant.【简析】主谓之间被
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![The processes of photosynthesis,by which carbon dioxide and water are combined --in the presence of chlorophyll and with energy derived from light-- to form sugars,require that carbon dioxide from the air enter the plant.【简析】主谓之间被](/uploads/image/z/5918401-1-1.jpg?t=The+processes+of+photosynthesis%2Cby+which+carbon+dioxide+and+water+are+combined+--in+the+presence+of+chlorophyll+and+with+energy+derived+from+light--+to+form+sugars%2Crequire+that+carbon+dioxide+from+the+air+enter+the+plant.%E3%80%90%E7%AE%80%E6%9E%90%E3%80%91%E4%B8%BB%E8%B0%93%E4%B9%8B%E9%97%B4%E8%A2%AB)
The processes of photosynthesis,by which carbon dioxide and water are combined --in the presence of chlorophyll and with energy derived from light-- to form sugars,require that carbon dioxide from the air enter the plant.【简析】主谓之间被
The processes of photosynthesis,by which carbon dioxide and water are combined --in
the presence of chlorophyll and with energy derived from
light-- to form sugars,
require that carbon dioxide from the air enter the plant.
【简析】主谓之间被一个很长的定语从句 by which…隔开.该定语从句(黑体部分)是 对主语 The processes(光合作用过程)的解释.
【译文】在有叶绿素和光能的情况下,二氧化碳和水通过光合作用结合形成单糖.这就
要求空气中的二氧化碳必须进入植物.
--in the presence of chlorophyll and with energy derived from light-- 这个短语里的with是怎么来的,看不懂,前面又有and了.
in the presence of 修饰的是chlorophyll 还是chlorophyll and with energy derived from light
The processes of photosynthesis,by which carbon dioxide and water are combined --in the presence of chlorophyll and with energy derived from light-- to form sugars,require that carbon dioxide from the air enter the plant.【简析】主谓之间被
with引导的状语从句.
伴随状语从句:用with引导的话,表示在进行一项动作的同时在进行另外一个动作,后面用名词+介词短语,或者直接用动词ing形式.如:The teacher came into the classroom,with books under her arm.She came here,with running.
in the presence of 在某人(某物)在场的情况下.in the presence of chlorophyll 在叶绿素的作用下