名词
中文翻译：更结实的
同义词：
['stronger', 'firmer', 'tougher例句：1. The new car is sounder than the old one.（这辆新车比旧车更结实。）']
例句：
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1. The new car is sounder than the old one.
这辆新车比旧车更结实。
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2.The construction workers are sounder than ever before.
建筑工人比以往任何时候都更强壮。
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3. The new material is sounder than the old one.
新材料比旧材料更坚固。