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- intestine n. 肠
- headstone n. 墓碑
- grindstone n. 磨石;砂轮
持续辛勤地工作；努力不懈
- sandstone n. 砂岩
- endoscope n. 内窥镜；内诊镜
网络短语:
endstone 止推宝石轴承
Diamond endstone 钻石端石
endstone for balance 摆轮托钻
endstone for pallet fork 擒纵叉托钻
endstone for escape whee 擒纵轮托钻
fourth wheel foot endstone 秒下托钻
endstone for escape wheel 擒纵轮托钻
endstone for pin pallet fork 销钉式擒纵叉托钻