。
She called Tom twice.
Literal
She [topic-は] Tom [to-に] twice phone [object-を] inserted.
電話を入れる ('put in a phone call') is a slightly more formal-feeling alternative to 電話する or 電話をかける, common in business speech for 'place a quick call' or 'check in by phone.' 二度 reads にど — the on'yomi reading for 'two times,' more set-phrasey than the neutral 二回 (にかい). Both work, but native speakers feel a faint difference in tone.