mark可數(shù)嗎污點(diǎn)

　　例句：

　　She was leading at the half-way mark.

　　賽程到一半時(shí)是她領(lǐng)先。

　　The changing seasons mark the passing of time.

　　寒來(lái)暑往，斗轉(zhuǎn)星移。

　　Their predictions turned out to be wide of the mark.

　　他們的預(yù)測(cè)后來(lái)發(fā)現(xiàn)太離譜了。