

夏休みに、島の森を探検する予定です。
子どもたちは古い家の中を探検しています。
明日、一緒に新しい町を探検しない?
"たんけんする(探検する)" is in the lesson "Verbs 14" (Level 26), along with 10 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.