The cat jumped upon the windowsill to bask in the sun.
猫跳到窗台上晒太阳。
She reflected upon her past decisions with a sense of regret.
她反思过去的决定时感到后悔。
The committee will decide upon the proposal next week.
委员会将在下周决定这个提案。
He stumbled upon an old photograph in the attic.
他在阁楼上偶然发现了一张旧照片。
The success of the project depends upon teamwork and dedication.
项目的成功取决于团队合作和奉献。
She gazed upon the stars, lost in thought.
她凝视着星星，陷入了沉思。
The decision rests upon several key factors.
这个决定取决于几个关键因素。
He placed the book upon the table and left the room.
他把书放在桌子上，然后离开了房间。
They agreed upon a meeting time for next Tuesday.
他们同意在下周二开会。
The artist painted upon the canvas with vibrant colors.
艺术家用鲜艳的颜色在画布上作画。
upon request 根据要求
upon reflection 经过反思
upon hearing 听到时
upon completion 完成时
upon approval 经批准
upon examination 经过检查
