Water is essential for life.
水对至关重要。
Good sleep is essential for health.
良好的睡眠对至关重要。
Exercise is essential for fitness.
锻炼对至关重要。
Food is essential for survival.
食物对至关重要。
Love is essential for happiness.
爱对至关重要。
Education is essential for success.
教育对至关重要。
Trust is essential in relationships.
信任在关系中对至关重要。
Patience is essential in teaching.
耐心在教学中对至关重要。
Air is essential for breathing.
空气对至关重要。
Sunlight is essential for plants.
阳光对植物至关重要。
essential to
至关重要；必要；必需
essential part
基本部分
essential oil
香精油
essential role
必要的角色
essential component
基本成分；主要成分
复数: essentials;
