fluctuate
vi. 波动, 涨落, 起伏
辨析:fluctuate 常用来形容price,value等词,强调不规则的变化
wave 指挥动或随风或随着波浪而动。
1.The price of vegetables fluctuates seasonally.
蔬菜的价格随季节变动。
2.Trade with other countries tends to fluctuate from year to year.
与他国贸易额往往逐年波动。
3.Prices fluctuate from year to year.
物价年年波动。
fraction
n. 小部分, 一点儿
联想:fraction 小部分,碎片; section 部分
fragment 碎片; segment 部分,片段
1.The car missed me by a fraction of an inch.
那车子差一点儿就要撞到我了。
2.The cost is only a fraction of his salary.
那项费用不过是他薪水的一小部分。
3.Her eyes widened a fraction.
她的眼睛稍微睁大了一点儿。
frame
n. 框架;骨架, 构架;
vt. 给…加框;陷害, 诬告;表达, 构造
1.I need to buy new spectacle frames but I will keep the old lenses.
我需要买新的眼镜框, 不过我会留着旧镜片。
2.The house has a wooden frame which is braced with brick.
这幢房子是木结构的砖瓦房。
3.He had had the photo framed.
他已经让人把照片装入相框。
4.He framed his life according to a noble pattern.
他以高尚的模式构筑自己生活的框架。
fuse
vt. & vi. 熔化; 融合; 合并
n. 保险丝, 熔丝; 导火线; 引信
1.The wax from the two candles fused as they burned.
两根蜡烛上的蜡燃烧时熔化在一起。
2.This is the right fuse for the refrigerator.
这是电冰箱上使用的保险丝。
3.The bomb had a long fuse.
这种炸弹有很长的导火线。
4.His goal midway through the first half lit the fuse.
他在上半场过半时的进球造成了场上的紧张局面。