

雪の日は道がすべるから、気をつけてね。
昨日、駅の階段ですべって転んでしまいました。
この靴は底がすべらないので安心です。
"すべる(滑る)" is in the lesson "Verbs 15" (Level 27), 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.