Up-
pref. 向上, 在上
📖 牛津释义
up-
pref 前缀 (with ns, vs and their related forms 与名词、 动词及其相关形式结合) higher 更高
upheaval * upland * upgrade.
🧩 词语组成解析
up
[ʌp]
adv. 在上面，在高处;起床，起来;向上;由低到高;
adj. 向上的;上升的;竖立的，垂直的;举起的;
vt.& vi. 增加;加速;提高;举起，拿起;
prep. 在…的上端;向高处;沿…而去;向…上游;
n. 上升，升高;兴旺，繁荣;上坡;（价格等）上涨;
🗣️ 情景例句
I was hoping for more.
我原以为会比这要好。
Honest men marry soon, wise men not at all.
诚实的人马上结婚，聪明的人就不这样。
Alternatively, if the star were small, the life-supporting planet would have to have a close orbit round it and also provide the perfect conditions for life forms to develop.
反之，如果恒星很小，维持生命的行星就要在离恒星很近的轨道上运行，而且要有极好的条件才能使生命得以发展，