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topping-up的英文翻譯是什么意思，詞典釋義與在線(xiàn)翻譯：
英英釋義
名詞 top-up:
-
an amount needed to restore something to its former level
topping-up的用法和樣例：
例句
- A rubber spherical balloon is quickly blown up in an angry sea by a ditched pilot.
一個(gè)迫降的飛行員在波濤洶涌的海上向一個(gè)橡皮球迅速充氣。 - On a sultry summer day, parents build up a plastic inflatable mini swimming pool for their kids.
炎炎夏日，為寶寶準備一個(gè)塑膠充氣的小泳池供他們戲水。
