🧩 词语组成解析
upon
[ə'pɑn]
prep. 在…上面;当…时候;
🗣️ 情景例句
I care about more lockers for the teachers.
我关心教师要有更多的储物柜。
What is happening up there?
上面发生什么事情？
The Karen had been sailing in a convoy to Russia when she was torpedoed by an enemy submarine.
“卡伦”号当年在为其他船只护航驶往俄国的途中突然遭到敌方潜水艇鱼雷的袭击。