1 (used about a liquid) to change into steam or gas and disappear (指液体)蒸发:
The water evaporated in the sunshine.水在阳光下蒸发了。☞Look at condense. 参看 condense。
2 to disappear completely 完全消失:
All her confidence evaporated when she saw the exam paper.一看到试卷,她的信心都消失了。 ➔evaporation /ɪˌvæpəˈreɪʃn ||; ɪˌvæpəˈreʃən/ noun [U]