op·ti·me英'ɒptɪmɪ美'ɒptɪmɪBNC²³⁶²¹³⁺¹ 基本例句 n.二⁵⁰;三级合格者⁵⁰ In subjects with cooling vest, skin temperature of part of trunk was lower than optime value especially in first 20 min, and thermal sensation was mild cool. 但在使用降温背心过程中，存在受试者躯干局部皮肤温度偏低、感觉略凉的现象。 cnki