But at the sanctuary, there was a wide range of tool use, including digging, using tools to reach objects, nutcracking, and cleaning their teeth...
但是在保护区，使用工具的现象也很普遍，包括用工具来挖土，够东西，夹东西甚至是清洁牙齿。
He was digging an irrigation ditch around a rice paddy, contemplating which tool was more effective, a hoe or a shovel.
他正在一片稻田周围挖掘一条灌溉渠，一边想着哪件工具更加有效，是锄头还是铁铲？
He was digging an irrigation ditch around a rice paddy, contemplating which tool was more effective, a hoe or a shovel.
他正在一片稻田周围挖掘一条灌溉渠，一边想着哪件工具更加有效，是锄头还是铁铲？
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