I must play my spare time well, or I end up doing nothing.
我必须善于利用空闲的时间,否则生命将会在无所事事中告终。
recorded for the slumbering scientist the strength of a shock that was too weak to waken him,and the direction from which it came.
由于地震太弱而未惊醒科学家时,就为科学家记录下了地震的强度和地震方向。