

粘着性のテープで箱をしっかり留めてください。
この付箋は粘着性の部分が弱くて、すぐ落ちてしまいます。
粘着性のフックなら、壁に穴を開けずに済みますよ。
"ねんちゃくせいの(粘着性の)" is in the lesson "Office" (Level 34), along with 15 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.