Tov
abbr. 有效期（Time of Validity）；總監測量（Total Observed Volume）；總需氧量（total oxygen demand）
??? 情景例句
This community has always been very generous.
這個社區一向是非常慷慨的。
He didn't say anything as to where he would go.
關于他的去處他什么也沒說。
I'm afraid this green dress it too small for me as well.
恐怕這件綠色的我穿著也太小了。