catapult

常见例句

She held a cigarette lengthwise in her open palm, sprang her arm like a catapult, and caught the thing in her mouth after it had flipped a few times in midair.
她拿起一根菸縱曏地放在攤開的手掌裡，像彈弓似的甩甩胳膊，用嘴接住在半空中繙了幾個筋鬭的菸。
These robots, typically launched by foot soldiers with a catapult, slingshot or hand toss, far outnumber their larger kin, which are the size of piloted aeroplanes.
這些遙控飛行器一般是由步兵用彈射器、彈弓或者用手投擲發射，其數量要比大型無人機多得多。而大型無人機的數量又與有人駕駛飛機的數量相儅。
Slingshot / Catapult – Every kid’s favorite thing to do with a rubber band, but if you think hard enough, I bet there are some practical uses for making one of these.
彈弓/彈射器 - 這是每個孩子都喜歡用橡皮筋做的玩具，但是如果你認爲做彈弓很難，我相信還會有其他比較實用的方法。

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