Read Edit View history 必备 bìbèi essential Origin Definitions Defs Strokes Stroke Words Sentences Sents updated sense approved 必备/必備 · bìbèi · essential 2026/03/10 必备 / 必備 bìbèi essential essential; indispensable 手机是现代生活的必备工具。 verb updated sense Mar 10, 2026, 01:19 PM created sense approved 必备/必備 · bìbèi · essential 2026/03/04 必备 / 必備 bìbèi essential essential; indispensable 手机是现代生活的必备工具。 verb created sense Mar 4, 2026, 02:25 AM