places his knife and his fork on his plate side by side, as if they were the hands of a clock set at 5:25, when he's finished eating.
当他吃完时,会将刀叉并排放在盘子上,如同表盘的指针在5:25时的样子。
If he set his alarm clock for midnight, it would wake the whole house.
如果他把闹钟设定在午夜,铃声会把全家人都吵醒。
The clock said four minutes past eleven when we set off.
我们出发时,时钟显示11点4分。
Don't forget sections start tonight at seven o'clock and there's another set at eight o'clock and then Friday afternoon at one thirty and Monday morning.
别忘了课后讨论会今晚七点开始,还有几场分别在今晚八点,周五下午一点半和周一上午
That's correct. So her answer was, if it was a full parabola, then we know it would've been at the ground before I set my clock to 0.
她说,如果运动轨迹为一条完整的抛物线,那么它在我们所设定的零时刻之前,就已经落地了
If that's all it knows, then in that scenario there is no building or anything else; it continues a trajectory both forward in time and backward in time, and it says that whatever seconds, one second before you set your clock to 0, it would've been on the ground.
如果是这样,在那种模式下,没有楼房或者别的什么,物体的运动轨迹可以沿时间可以向后延伸,也可以向前延伸,不管时间取什么值,在零点前一秒时,物体就在地面上
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