I think we should take care of the environment, so that we have something to leave for our children.
我覺(jué)得我們應(yīng)該保護(hù)好自然,以便將來(lái)能給我們的子孫后代留下一些東西。
After it had passed, they swam on as quickly as they could because they knew that the boat would soon return.
快艇過(guò)去之后,他們以最快的速度向前游去,因?yàn)樗麄冎揽焱яR上就要轉(zhuǎn)回來(lái)。