Ploughs and other agricultural implements were（）on display at the recent exhibition. A: equations B: playthings C: tools D: machinery

There are new tractors and new [color=#ff3853]ploughs[/color] in the machinery lot.  A: n. 过剩；顺差；盈余 B: n. 省；外省；范围 C: n. 犁 未知类型：{'label': 'source', 'content': '柯林斯词典', 'isMemberControl': 0, 'type': 181}