慢速英语:科学家称赞嗅觉技术的发展

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three-dimensional – adj. having or seeming to have length, width, and depth

virtual – adj. existing or occurring on computers or on the Internet

lavender – n. a plant with narrow leaves and small purple flowers that have a sweet smell

exceed(s) – v. to go beyond the limit of something

alert(s) – n. something, such as a message or loud sound, that tells people something is happening

stimulate – v. to cause or encourage something to happen or develop

impulse buying – v. the act or practice of buying things after feeling a sudden strong desire to do so

unconsciously – adv. doing something in a way where the person does not know they are doing it

tear(s) – n. a drop of liquid that comes from your eyes especially when you cry