名词
中文翻译：工具寿命
同义词：
['tool lifespan', 'tool service life']
例句：
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1.The new tool is expected to last for at least five years.
这把新工具预计至少可以使用五年。
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2. The tool's lifespan is limited by its durability and quality.
这把工具的使用寿命受限于其耐用性和质量。
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3. The manufacturer has promised to improve the tool's service life.
制造商已承诺提高工具的服务寿命。