الواصلة
how ex·act·lyالتركية النطق
hau îgzäktliالنطق
/ˈhou əgˈzaktlē/ /ˈhaʊ ɪɡˈzæktliː/
علم أصول الكلمات
[ 'hau ] (adverb.) before 12th century. Middle English, from Old English hu; akin to Old High German hwuo how, Old English hwA who; more at WHO.فيديوهات
... rings of Saturn, we use exactly the same equations that Isaac Newton unraveled in the 1600's. ...