图片1 fluid n．流动性，流度 adj. 流动的 例句：Air is a fluid but not a liquid, while water is both afluid and a liquid. 空气是流体不是液体，水是流体也是液体。 fluctuate v．变动．波动，涨落 例句：The price...
图片1 fragile adj. 易碎的，脆的 例句：Glasses are fragile and must be handled with great care. 玻璃制品易碎，必须小心轻放。 fragments n．碎片，断片，片段 例句：Carry dropped the vase on the floor and it broke into...
图片1 arc n．弧，弓形，拱 例句：An arc is a part of the circumference of a circle or other curved lines. 弧是圆周或曲线的一部分。 apt adj. 易于的，有倾向的 例句：She is a clever girl but apt to get into mischief. 她是...
图片1 aerial n．天线 例句：The picture is much clearer with the new aerial. 装上新天线后画面清晰多了。 nitrogen n．氮 例句：Air consists chiefly of nitrogen. 空气主要由氮气组成。 oxygen n．氧 例句：Trees relea...
图片1 trifle n．琐事，少量 例句：As to an additional servant, the expense would be a trifle. 至于增加一个仆人，这项花费是微不足道的。 trivial adj. 琐细的，价值不高的 例句：She could remember every trivial in...
图片1 corps n．军团，兵队，团 例句：Her father served in the medical corps during World War Ⅱ. 第二次大战时，她父亲在医务部队服役。 recruit v. 补充，征募 例句：Business and government recruit first-degree grad...
图片1 hut n．小屋，棚屋 例句：The hut was made out of pieces of wood. 这小屋是用木板建造的。 cellar n. 地窖，地下室，酒窖 例句：This wine cellar stays at an consistent temperature all year round. 这个酒窖常年保持...
图片1 vague adj. 含糊的，不清楚的 例句：Everything looked vague in the heavy fog. 在浓雾中，一切东西看上去都很模糊。 ambiguous adj. 暖昧的，不明确的 例句：She canceled an ambiguous phrase in the speech. 她删去...
图片1 identical adj. 同一的，同样的 例句：He wore the identical dress on both occasions. 他在两个场合穿戴同一套衣服。 identification n．辨认，鉴定 例句：The identification of the accident victims took a long time. 验...
图片1 petroleum n．石油 例句：Any new source of energy will be welcome, as there is a shortage of petroleum. 由于石油短缺，任何一种新能源都会受欢迎。 gaseous adj. 气体的，气态的 例句：Water is the same substance...
