那么从点a到点B之间，重力所做的功，很明显是负值。
So I can write down that the work that gravity is doing in going from a to B, that work is clearly negative.
“我支付从点a点到B点的机票是为了可以安全到达，”他说。
"I pay for a ticket to get from point a to point B safely," he says.
也就是，如果我需要计算一个线积分，无论我取怎样的路径,只要路径是从点a到点。
OK, so the claim is if I have a line integral to compute, that it doesn't matter which path I take b as long as it goes from point a to point b.
最基本的方面是仅满足客户的功能需求（例如，确保SOAP可靠地获得从点A到点 B 的消息X）。
The most basic is simply meeting customers' functional needs (for example, ensuring SOAP gets message X from point A to point B reliably).
在“热带酒吧”，你从吧台的服务生那儿点些冰块和调酒的软饮料。
At the Tropicana you order ice and mixers from the waiters at the table.
早餐供应时间从7点到10点。
名字是从名单中随便点的。
比赛从午后两点延迟到4点才开始。
他们仍然希望从他们破碎的婚姻中挽回点什么。
They still hoped to salvage something from the wreck of their marriage.
车子从泥泞中开过，把泥点溅到附近能溅得到的每个人身上。
Cars are driven through the mess, splashing everyone within range.
早晨6点钟，电话铃声就把我从睡梦中吵醒了。
她从翻了的车里钻出来，只擦破一点皮，碰了几块淤青。
She emerged from the overturned car with only a few scrapes and bruises.
她从屋子那头儿把烟灰缸扔过来，差一点就打中我的脑袋。
She hurled the ashtray across the room, narrowly missing my head.
正文可以从4点变到108点，但印刷质量丝毫不会降低。
Text can be scaled from 4 points to 108 points without any loss of quality.
法律界在很大程度上仍然是男人的世界，这一点从女法官的人数屈指可数即可得到证实。
The legal profession is still a largely male world, as evidenced by the small number of women judges.
这些点是标记，使他们能够测量花朵从萌芽到开花的每一次大小和形状的变化。
These dots were markers that enabled them to measure every change in the size and shape of the flower as it went from bud to bloom.
他从九点工作到五点。
行军从凌晨4点开始。
然而由于气候干燥，森林从定居点附近退去。
However, as the climate dried up, the forests retreated from the vicinity of the settlement.
比赛从午后两点延迟到四点开始。
The start of the game will be pushed back from 2 to 4 in the afternoon.
我们设法一点一点地从他那里询问出整个故事。
We manage to pump the whole story out of him little by little.
当岩浆一次又一次地在同一地点从地下涌出时，就形成了盾状火山。
Shield volcanoes formed when magma comes out of the ground in the same spot over and over again.
例如，把孩子们从麦片盒里拿到的玩具组装起来需要一点耐心；玩具从盒子里拿出来时就是完整的。
For example, it used to take a bit of patience to put together the toys that children got in cereal boxes; now the toys come from the boxes whole.
下午四点把孩子们从幼儿园接回来。
杂志在19世纪扮演了品味仲裁者的角色，这一点可以从它们对伦敦剧院的描述中看出。
The role of magazines as arbiters of nineteenth-century taste is seen in their depictions of the London theater.
除了蛇是从蜥蜴演化而来的这一点以外。
Everything except the part about snakes evolving from lizards.
要做到这一点，我们得把水从土地中排出来，把它移到别的地方，并引导其他水源转向，比如河流。
To do that, you have to drain the water from the land, move the water elsewhere, and divert the water sources such as rivers.
他们表示，这一点表明狗不是从某个单一的特征来感知情绪，而是像人类一样，将所有面部特征信息整合到一起。
They suggest this indicates that dogs aren't sensing emotions from a single feature, but piecing together information from all facial features just as humans do.
由于我们每个周末都有比赛，我们每周都会练习6天，每天从三点半训练到五点。
Now that we're competing every weekend, we practice 6 days a week from 3:30 till 5:00.
在伦敦北部的布伦特十字街，超过1000人在凌晨3点半就排起了队，等待从凌晨4点开始的“Next”服装店的促销。
At Brent Cross, in north London, more than 1,000 people were queuing at 3:30am for the "Next" clothing store's sale which began at 4am.
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