

食べる前に手を洗いましょう。
手が冷たいですね。寒いですか。
質問がある人は手を上げてください。
"て(手)" is in the lesson "Body parts 1" (Level 2), along with 14 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.