The self-study period is so dull that everyone falls asleep. 自习课简直无聊,每个人都睡着了。
例句: The empire was on the wane after its period of prosperity . 帝国经过全盛以后逐渐衰落。 例句: Prosperity destroys fools and endangers the wise . 繁荣兴旺既毁了蠢人,也使智者陷于险境。
An initial period of 3-year renewable contract with a 6-month probation.
一份可续签的3年的合同和6个月的见习。
I studied American history for a long period of time.
我长期研究美国历史。
※Happiness is the interval between periods of unhappiness. 幸福是两段不幸福时期之间的间歇.