1.
Glancing Back at the Multi-tone --the Past Time in Yaxian s Poems;
多色调的回眸——谈痖弦诗中的过去时空
2.
As we have said on previous occasions, everything moves in space and time.
过去我们讲过，事物在空间、时间中运动。
3.
If you could travel through time, would you go the past or to the future?
如果你穿越时空去旅行，你会选择过去还是未来？
4.
A wormhole that seems to be locked to a single time and place in the past:
时空裂洞似乎锁定在 过去特定的时间及地点
5.
the preterit(e)tense
【语】过去时(态)
6.
In the old days, workers had time off from work to visit their mothers.
在过去，工人们在上班时抽空（假）看望他们的母亲。
7.
Several hours later, you'll go aboard your space liner.
几个小时一晃过去了，你也该回到太空船了。
8.
A wormhole is a volatile force.You can't send a person through one.
时空裂洞变幻莫测你无法经由它传送人过去
9.
Mental Spaces and the Textual Function of Past Perfect;
心理空间和过去完成时的语篇连贯功能
10.
Space-construction Functions of Past Perfect Tense in Stream-of-consciousness Texts;
过去完成时在意识流语篇中的空间构建功能
11.
Spatio-temporal variations in the starting dates of growing season in China's cropland over the past 20 years
过去20年中国耕地生长季起始期的时空变化
12.
In the past, we have always sent you merchandise by ship, which, although takes longer, is less expensive than airfreight.
过去，我方总是通过海运运送您的货物，所需时间较空运长，费用较低。
13.
I have normally a memory like a sponge: I used often to fill in spare moments by presenting pages of print before my mind's eye.
我记忆特别好。过去，我常在空闲时间里回忆起我曾读过的书。
14.
Juxtaposition of Past and Present--The Cyclical Time in Possession;
过去与现在的时空交错——论拜厄特小说《占有》中的循环时间
15.
Passing of a period of time
（时间的）流逝，过去
16.
the present [ past, future ] tense
现在[过去, 将来]时
17.
During the past three hours - he had thought up many-wonderful plans, but now they had all fizzled out.
过去的三小时内，他使了多少心计，不料全盘落空了。
18.
Land Use/Cover Change and Its Environmental Effects in Sanjiang Plain in the Past 50 Years;
过去50年三江平原土地利用/覆被变化的时空特征与环境效应