n (1)(人或动物的)肋骨(any one of the bones which curve round and forward from the backbone)[C]：break a～断了一根肋骨;have a broken/fractured/bruised～有一根断了/有裂痕/挫伤的肋骨;nudge/dig/poke sb in the～s (为引起某人注意而)用肘轻轻地触/碰/捅某人的肋部;give sb a dig in the～s (为引起某人注意而)用肘轻轻地碰某人的肋部;～cage 肋骨骨架;

(2)(动物)肋排(cut of meat containing one or more ribs)[U，C]：a～of beef/pork 一块牛/猪肋;spare-～s 排骨;

(3)肋骨状东西(long，curved piece of wood or metal that is part of the structure of a roof or a boat and that makes the structure strong)[C]：the～s of an umbrella/a fan/a leaf/a boat 伞骨/扇骨/叶脉/船只的龙骨;the～s of the wing 翼肋;a big arched roof of steel～s 一个大型钢架结构的拱形屋顶;

vt 逗(戏)弄(make fun of in a friendly way;tease)[T+n，T+n+prep(about/for)]：～sb for keeping a pet duck 取笑某人喂养一只鸭子作宠物;～sb for being shy 因某人害羞而逗他;～sb about the book/the poem/something he has written 拿某人写的书/诗/东西开玩笑;～sb about his accent 取笑某人的口音;

→′ribbing n 善意的玩笑