柯林斯詞典trimmer /?tr?m?/ 1. N a beam in a floor or roof structure attached to truncated joists in order to leave an opening for a staircase, chimney, etc 托梁 (Also called trimmer joist) 返回 trimmer劍橋詞典a device used for making something tidier or more level by cutting a small amount off it 修剪器 a hedge trimmer 樹籬修剪器 返回 trimmer