要三至十年才能完全挥发。

To be able to volatilize completely needs three to ten years.

youdao

在通常情况下，保存于密封容器中的酒精完全挥发需要大约四周时间；有时，则可能需耗费长达三个月的时间。

It usually takes around four weeks for the alcohol to dry out completely in an airtight container - although in some cases it could be three months.

youdao

我们假定溶质完全不挥发。

We're going to assume that it's totally non-volatile.

youdao