

三日連続で雨が降っています。
三角形の連続で模様を作りました。
二回連続で同じ間違いをしないでください。
"れんぞく(連続)" is in the lesson "Geometric figures" (Level 45), along with 11 other useful words. LinDuo has 180 topic lessons like this one, 2,379 words in total. Every word has an illustration, a transcription and pronunciation in a female and a male voice. Just 10–15 minutes a day is enough to learn them all. Free, and works offline.