We can still extract oil from the tar sands of canada. 我们仍可从加拿大的含油沙中提炼石油
they extract nutrients from the soil 以至于它们从土壤中吸收营养的速度
break down dead grass and extract the nutrients. 它们能分解枯草 提取养分
Slender billed parakeets rather than crossbills, extract their seeds. 尖嘴锥尾鹦鹉和交喙鸟来一样啄出种籽取食
and even if rains fail the needles can extract moisture from the fogs that roll in from the sea. 即使不下雨, 针叶也可以从海上蜂拥而来的水雾中汲取水分
so that it's tongue can extract the seeds. 然后用舌头来卷取种子
these bacteria extract energy from the hydrogen sulphide gas. 这些细菌只能从硫化氢气体中吸收能量
has bushy gills to extract oxygen from the current. 并依靠浓密的鳃从水中过滤氧气