The drill has to sink ever deeper to hit water. 都必须更加深钻才能找到水源
Rachel: Ooh, and it's so nice having this little sink here... 这儿有个小水槽真好。
Joey: Who cares, we'll eat at the sink! Come on, let's play! 管他呢， 我们会接着水槽吃饭！ 来吧， 玩一局！
and, at last, the mackerel sink below the diving range of the birds. 最后,竹荚鲭也逃出了猛鹱的攻击范围.