自2010年至今的四级考试中， 共出现过 次
自2010年至今的六级考试中， 共出现过 次
N-COUNT 联盟；同盟 A league is a group of people, clubs, or countries that have joined together for a particular purpose, or because they share a common interest.
...the League of Nations.
...the World Muslim League.
N-COUNT （体育运动队的）联合会，联赛 A league is a group of teams that play the same sport or activity against each other.
...the American League series between the Boston Red Sox and World Champion Oakland Athletics...
The club are on the brink of promotion to the Premier League.
N-COUNT 级别；档次；水平 You use the word league to make comparisons between different people or things, especially in terms of their quality.
Her success has taken her out of my league...
Their record sales would put them in the same league as The Rolling Stones.
PHRASE 沆瀣一气；勾结 If you say that someone is in league with another person to do something bad, you mean that they are working together to do that thing.
There is no evidence that the broker was in league with the fraudulent vendor...
Williams operated the smuggling scheme in league with his brother.