There were secretly two balls, one in each box, and we had decided in advance whether the children were going to get it "right" or "wrong" on each of the four guessing trials.

每个盒子里其实都有一个球，而我们会事先决定孩子们在四次尝试中的每一次会猜错还是猜对。

youdao

Book accommodation well in advance (and negotiate -you'll get a bargain) and then enjoy the panoply of wildlife that is brought out by the monsoon.

提前订好住宿(通过砍价能拿到折扣)，你便可以见识到季风带来的各类野生动物了。

youdao

Book accommodation well in advance (and negotiate - you'll get a bargain) and then enjoy the panoply of wildlife that is brought out by the monsoon.

提前订好住宿(通过砍价能拿到折扣)，你便可以见识到季风带来的各类野生动物了。

youdao

We are doing a study which is looking at men who have chosen to get a prostatectomy and they get Provenge some weeks in advance of that so that we can better understand the components in the immune system that are being engaged.

FORBES: The Man Behind The First Cancer-Treating Vaccine On The FDA And Innovation

In particular, California will get no advance notice of surpluses until it stops wasting water in farming areas such as the Imperial Valley, and tries instead to reallocate that water to needy San Diego.

ECONOMIST: Water in the West: Buying a gulp of the Colorado | The

"We're confident that we'll have everything in place as far as the staff we need, the level of train service that's needed to get people there comfortably and also the tickets in advance of the games, " he said.

BBC: London 2012: Norfolk 'hopes' for Olympic boom