beaker 核心詞議:
n. 燒杯;(常指無柄的)塑料杯;一杯(的量)
beaker 基本解釋
速記方法
速記技巧
詞源記憶法
詞源同pitcher,罐,壺,t為插入字母。來自希臘詞bikos,陶土杯,可能最終來自basin,盆。
知識擴展
beaker 變化形式
復數: beakers
中文詞源:
beaker 無柄塑料杯
詞源同pitcher, 罐,壺,t為插入字母。來自希臘詞bikos, 陶土杯,可能最終來自basin,盆。
beaker
精選例句
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.
我們用了一個錐形燒瓶、一個裝著薰衣草細枝條的布袋和一些碎布條、一根塑料導管,和一根試管,要把它放在裝有冷水的燒杯里。
常見考點例句:
- They plopped this rod into a beaker of water and hit it with a laser beam from below .
- 他們讓這個翼狀桿落入盛有水的燒杯中,并用激光束從底部擊中它。
- This done , they emptied out the acid , washed the beaker with distilled water and added a chemical called glutaraldehyde .
- 此步完成后,將燒杯中酸類清干凈,用蒸餾水洗滌燒杯后加入一種叫戊二醛的化學物質。
- 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,一個裝置布滿了表盤和壓力表;另一只手中,一個燒杯盛著看似有毒的沸騰液體。
- 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 .
- 為實現這個想法,兩名科學家在一個pvc材料制成的燒杯中灌入硝酸和硫酸,放置6小時。
- 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 .
- 當把葉子放入燒杯中,置于陽光下的時候,硅吸收了陽光中的光量子,產生了有足夠能量能夠穿過硅層的電子。