这类物质可将电场和机械压力相互转换。
These are materials which can translate electrical fields into mechanical stress, or vice versa.
在此方法中，CO2是把高压力下，以它转换为液体。
In this method, CO2 is put under high pressure to convert it into a liquid.
新研究发现，角色转换实际上可能会给心脏造成压力。
New research shows this role reversal may, in fact, be stressful for the heart.
新研究发现，角色转换实际上可能会给心脏造成压力。
New research shows this role reversal may, in fact, be stressful for the heart.
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