n. 一双, 一对, 一副 v. (使)成对
In a study by the Universities of York and Kyoto, researchers asked participants to look at pairs of photographs and decide which showed a ___26___ face and which showed a person wearing a mask.
四级 · CET-4 2024年12月 第3套
34 pair of shoes and a lot of preparation.Plenty of water, spare tires, and a full tank of gas are needed to explore this unit of the national park system, which is the third largest in the country.
六级 · CET-6 2023年12月 第1套
First, they took 1-day-old ducklings and exposed them to a pair of moving objects.
六级 · CET-6 2023年3月 第1套
Then they exposed each duckling to two entirely new pairs of moving objects.
六级 · CET-6 2023年3月 第1套
The researchers found that about 70% of the ducklings preferred to move toward the pair of objects that had the same shape or color relationship as the first objects they saw.
六级 · CET-6 2023年3月 第1套