FOCUS OF A LENS
\fˈə͡ʊkəs əvə lˈɛnz], \fˈəʊkəs əvə lˈɛnz], \f_ˈəʊ_k_ə_s ə_v_ə l_ˈɛ_n_z]\
Word of the day
dust storm
- a windstorm that lifts up clouds of dust or sand a windstorm that lifts up clouds dust or sand; "it was the kind of duster not experienced in years"