without expression的意思|示意
美 / /
英 / /
without expression相关短语
1、 expression vector without marker gene 无标记基因表达载体
without expression相关例句
His face was without expression.
他的脸上毫无表情。
He looked at me without expression.
他毫无表情地看着我。
She looked at me without expression.
她毫无表情地朝我看着。