a tart apple的用法和樣例：
例句
- Asian wild crab apple cultivated in many varieties for it small acid usually red fruit used for preserving.
亞洲野生酸蘋(píng)果，種類(lèi)繁多，小且酸的紅色果實(shí)，可儲存。 - But Nutkin sat upon a big flat rock, and played ninepins with a crab apple and green fir-cones.
但納特金卻坐在一塊磨平了的巖石上，用野生酸蘋(píng)果和杉木球果玩著(zhù)撞九柱游戲。
