发生英语怎么说
The tea trade from China to Western countries took place in the 19th century.
As we age, the lenses of the eyes thicken, and thus refract light differently.
It is quite possible that these fluctuations, the huge increase and decrease of sulfur dioxide, happening again and again.
In this paper, the occurrence regulation of the apple woolly aphid was described, and one method of field trials was proposed by the Guidelines for the field efficacy trials.
But steamships didn't lose their sails until the 1880s, because early marine engines had a nasty habit of breaking down.
The results of self-rating scale of tobacco dependence showed that the incidence of withdrawal symptoms at the 12th week reduced significantly as compared with the 4th week.
They appeared not to know what was happening.
It occurs in elderly men, apparently as part of the aging process.
Aging happens to all of us, and is generally thought of as a natural part of life.
Three-fourths said they worried about the possibility of another attack.
We must consider all possible contingencies.
His mind sees the image of the ball flying into the water, so guess where the ball will go. Consequently, before going into any stressful situation, focus only on what you want to have happen.
There is very little likelihood of that happening.
The events of that day were just a blur.
Accrual-basis accounting is more costly to maintain, because it requires the bookkeeper to record many more transactions.
Actually, an Italian scientist did predict that such a quake would happen.
A fairground with a Ferris wheel and bumper cars that had been set to open one week after the blast lies unused and rusting.
"I am 65," he said, "but I expect to still be alive when it happens."
A massive earthquake hit Haiti a few days ago and has inflicted heavy casualties and property losses.
Then what happened to the astronaut?
All before we had finished eating our pig's feet.
This paragraph refers to the events of last year.
The two countries have some common ground about what happened. Mr Davis shot two men on a motorcycle who approached his car stuck at a traffic light.
Biologists would dearly love to know what happened.
Those rats that had jogged on wheels showed robust levels of neurogenesis.