

Use a ruler to draw the lines.
[ˈjuz ə ˈrulər tə ˈdrɔ ðə ˈlaɪnz.]
I forgot my ruler at home.
[aɪ fərˈɡɑt ˈmaɪ ˈrulər ət ˈhoʊm.]
Is your ruler thirty centimetres long?
[ˈɪz jɔr ˈrulər ˈθɜrti ˈsɛntəˌmitərz ˈlɔŋ?]
"ruler" is in the lesson "Stationery" (Level 5), along with 10 other useful words. LinDuo has 180 topic lessons like this one, 2,375 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.