pump up的用法和樣例：
例句
- A tyre expands when you pump air into it.
輪胎一打氣就鼓起來。 - My front tyre needs to be pumped up.
我車子的前胎需要打氣。 - A rubber spherical balloon is quickly blown up in an angry sea by a ditched pilot.
一個迫降的飛行員在波濤洶湧的海上向一個橡皮球迅速充氣。 - Instead of the surety of failure he felt confidence rising in him as a tyre begins to fill with air from a slow pump.
他感到的不再是肯定會失敗，而是鼓起了信心，就像氣泵使車胎慢慢地充氣一樣。
辭彙搭配
- pump up 使激動
