and they, in turn, as they feed,create a bonanza for those on the ground below.他們?cè)谧约撼缘耐瑫r(shí)也給地面生存的生物帶來(lái)了福利

in turn依次；輪流；反之；反過(guò)來(lái)

She asked the same question of everyone in turn.

她依次向每一個(gè)人問(wèn)同樣的問(wèn)題。

The students clean the classroom everyday in turn.

學(xué)生們每天輪流打掃教室。

They're over 60 centimetres long, already big enough to be a threat to the smaller inhabitants of the forest他們身長(zhǎng)60多厘米，足以對(duì)森林里比他們小的居民構(gòu)成威脅

enough to足以

Would you be good enough to keep silent?

請(qǐng)你保持安靜好嗎？

The merest noise is enough to wake him.

一丁點(diǎn)兒聲音就足以把他吵醒。

only one in 100 of her youngsters is likely to reach adulthood.蛇寶寶長(zhǎng)大成年的概率只有1%

likely to可能

Our firm is likely to reap a big profit this year.

今年我們公司很可能獲得巨額利潤(rùn)。