fluctuate
v[I, Ipr]
~ (between A and B)
1 (of a price, number, rate, etc) rise and fall; change irregularly (指价格、 数量、 比率、 费用等)涨落, 波动
The price fluctuates between 5 and 6. 价格在5英镑与6英镑之间波动.
2 (of an attitude or a state) change continually and irregularly; waver (指态度或状态)变化不定, 动摇
fluctuating opinions 变化不定的意见.
Can you find her purse? If she's gone somewhere she will have taken it.
你能找到她的钱包吗?如果她去什么地方她会带着它的。
Thus they lay on hard wooden boards, unable to stand up or move around.
这样,他们就躺在硬木板上,既不能站立起来,也不能活动。
For his lifentime's work in studying the communication of animals, including honey bees, Professor Karl von Frisch was given a Nobel Prize in 1973, which he shared with two other scientists. He died in 1982.