fluctuate

动词 fluctuate:

1. cause to fluctuate or move in a wavelike pattern
2. move or sway in a rising and falling or wavelike pattern
   同义词：vacillate, waver
3. be unstable

1. Cotton: irregular, the cotton index fluctuate narrowly on the liverpool(England) future market.
   棉花：涨落不定。在英国利物浦市场上，棉花指数涨落不大。
2. Silver: quiet. Value fluctuate lower in line with other precious metals on both bullion and futures market.
   银：清淡。由于受最近交易低潮的影响，银和其他贵重金属一样，期货和现货市场的数量下降。

fluc.tu.ate

v.（动词）
fluc.tu.at.ed,fluc.tu.at.ing,fluc.tu.ates
v.intr.（不及物动词）
To vary irregularly.See Synonyms at swing
波动：不规则变动参见 swing
To rise and fall in or as if in waves; undulate.
沉浮：在或似在波浪中沉浮；波浪起伏
v.tr.（及物动词）
To cause to rise and fall or vary irregularly.
使起伏或不规律变化

来源：
Latin fluctu3re fluctu3t-
拉丁语 fluctu3re fluctu3t-
from fluctus [a flowing]
源自 fluctus [一次流动]
from past participle of fluere fluc- [to flow] * see bhleu-
源自 fluere的过去分词 fluc- [流动] *参见 bhleu-

【引伸】
fluc.tuant
fluc.tua.tion
n.（名词）