| 释义 |
seesaw
UK ['si:.sɔ:] US [-sɑ:] noun countable (US also teeter-totter)
■a long board that children play on. The board is balanced on a central point so that when a child sits on each end they can make the board go up and down by pushing off the ground with their feet. 跷跷板
UK ['si:.sɔ:] US [-sɑ:] verb intransitive
■to change repeatedly from one emotion, situation, etc. to another and then back again （情绪、局势等）摇摆不定，不断反覆，交替•His mind seesawed between hope and despair all through those weeks.那几个星期里，他一会儿心怀希望，一会儿又感到绝望，心情阴晴不定。 |