

すみません、注文の追加をお願いします。
資料に追加の情報はありますか。
この料金は追加なしで利用できます。
"ついか(追加)" is in the lesson "Specifications" (Level 44), 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.