VOA慢速英语:Graphene: The Material of the 21st Century

短语讲解：

1. Graphene can be mixed into ink for printers.

mix into 把…混[搀]入…
例句：He had to carry water and dig up the red earth and mix it into a stiff clay.
他要取水挖掘红泥，并把它混成稠密的粘土。 

2. He says a graphene membrane less than one micron thick can pick up vibrations that no other kind of membrane can.

pick up 捡起，接送
例句：I'd really like to pick up Grandpa at the railroad station. 
我真想去火车站接爷爷。 

3. The new material can also be used to make very sensitive microphones.

be used to 习惯于，适用于
例句：This machine is used to crush the rock up for road building. 
这台机器用于碎石，以供筑路之需。 

4. The human ear for example can hear from about 15 hertz to 20,000 hertz. 

hear from 收到…的来信; 从…听到
例句：I hope to hear from you before long. 
我希望不久就能收到你的信。 

5. Mr. Sauro imagines the automotive industry will be able to use graphene products in vehicles to collect information about engine health.

be able to 能，会; 能够
例句：I admire the way she is able to shrug off unfair criticism. 
我很佩服她能对错误的批评意见不予理会。