Crossbow
n. 石弓, 弩
📖 牛津释义
crossbow
n
small powerful bow mounted horizontally on a grooved support where the arrow is held and then released by pulling a trigger 十字弓, 弩（一种小型的强弓）. Cf 参看 longbow (long1).
🗣️ 情景例句
Dad, growing up means
爸爸， 长大了意味着
Be my guest.
请便、别客气
Yes. B-double O-K, book.
好的。B-双写O-K，book（书）。