A tooth which has been hit hard may discolour.受过重击的牙齿可能会变色。Plastic tends to discolour with age.塑料久而久之便会退色。Benzoyl peroxide can cause fabric to discolour on contact. Use with care.过氧化苯可能导致织物脱色, 请小心使用....
A tooth which has been hit hard may discolour.受过重击的牙齿可能会变色。A tooth which has been hit hard may discolour...受过重击的牙齿可能会变色。Benzoyl peroxide can cause fabric to discolour on contact. Use with care.过氧化苯可能导致织物脱色, 请小心使用.Plastic...
The softer rock wears away.硬度较低的石头磨光滑了。Softer fabrics are much more becoming than stiffer ones.软面料要比硬面料合身得多。It is softer than cotton and nylon and has a similar lustre to silk.它较棉布和尼龙柔软，光泽则与丝绸相仿。Some say cornstarch is be...
The FBC ( fluorous biphase catalysis ) is a new nonaqueous immobilization and phase - separation technique.氟两相催化体系 ( FBC ) 是一种新型均相催化剂固定化(多相化)和相分离技术....
对着这种亮光,是很难看见什么东西似的.It is difficult to see anything against this bright light.它们开始的时候也很难被察觉, 因为它们是肉眼很难看见的.They are also hard to spot initially, as they can't be seen with the naked eye....
The cheetah is generally credited as the world's fastest animal.猎豹被公认是世界上跑得最快的动物.The cheetah can attain speeds of up to 97 kph.猎豹的奔跑速度每小时可达97公里.First, you show up on my cheetah hunt.首先, 你在我抓猎豹的时候就出现了....
以前, 研究人员在附近发现了形成于水下的枕状熔岩和球根状熔岩流.Previously, researchers had found nearby pillow lavas , bulbouslava flows that form - under water.墨西哥的一种球根状草本植物,为其漂亮而又鲜红的单花而栽培.Mexican bulbous herb cultivated for its handsome bright red s...