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 (事件、日期之间的)间隔 An interval between two events or dates is the period of time between them.
The ferry service has restarted after an interval of 12 years...
There was a long interval of silence.
N-COUNT 幕间休息;中场休息 An interval during a film, concert, show, or game is a short break between two of the parts.
During the interval, wine was served...
England were two goals behind at the interval.
N-COUNT 音程 In music, an interval is the difference in pitch between two musical notes.
PHRASE 每隔一段时间;时而 If something happens at intervals, it happens several times with gaps or pauses in between.
She woke him for his medicines at intervals throughout the night.
PHRASE 以…的间距;每隔…远的距离 If things are placed at particular intervals, there are spaces of a particular size between them.
Several red and white barriers marked the road at intervals of about a mile...
The trees which gave the road its name stood at regular intervals along the kerb...