核心词议:
n. 烧杯;(常指无柄的)塑料杯;一杯(的量)
beaker 基本解释
n. 高脚杯;烧杯
速记方法
速记技巧 词源记忆法 词源同pitcher,罐,壶,t为插入字母。来自希腊词bikos,陶土杯,可能最终来自basin,盆。
知识扩展
beaker 变化形式
复数: beakers
中文词源: beaker 无柄塑料杯 词源同pitcher, 罐,壶,t为插入字母。来自希腊词bikos, 陶土杯,可能最终来自basin,盆。 beaker
精选例句
1、 We used a conical flask,a fabric bag of sprigs of lavender plus shredded,a plastic delivery tube,and a test-tube in a beaker of cold water.
我们用了一个锥形烧瓶、一个装着薰衣草细枝条的布袋和一些碎布条、一根塑料导管,和一根试管,要把它放在装有冷水的烧杯里。
常见考点例句:
- They plopped this rod into a beaker of water and hit it with a laser beam from below .
- 他们让这个翼状杆落入盛有水的烧杯中,并用激光束从底部击中它。
- This done , they emptied out the acid , washed the beaker with distilled water and added a chemical called glutaraldehyde .
- 此步完成后,将烧杯中酸类清干净,用蒸馏水洗涤烧杯后加入一种叫戊二醛的化学物质。
- In one hand , a device replete with dials and gauges ; in the other , a beaker bubbling over with a toxic-looking liquid .
- 一只手中,一个装置布满了表盘和压力表;另一只手中,一个烧杯盛着看似有毒的沸腾液体。
- To do so they took a beaker made of pvc , filled it with a mixture of nitric and sulphuric acids , and left it for six hours .
- 为实现这个想法,两名科学家在一个pvc材料制成的烧杯中灌入硝酸和硫酸,放置6小时。
- When placed in a beaker of water and exposed to sunlight , silicon absorbs photons of sunlight , generating electrons with enough energy to conduct through the silicon .
- 当把叶子放入烧杯中,置于阳光下的时候,硅吸收了阳光中的光量子,产生了有足够能量能够穿过硅层的电子。