

母に手紙をおくるつもりです。
写真、あとでメールでおくるね。
この荷物を日本におくるのはいくらですか。
"おくる(送る)" is in the lesson "Verbs 6" (Level 18), 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.