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pineapple – n. a large fruit that grows on a tropical tree and that has thick skin, is sweet and juicy
airframes –n. the body or mechanical structure of an aircraft
transforming – v. to change (something) completely and usually in a good way
leaf – n. one of the flat and typically green parts of a plant
fiber – n. a thin thread of natural or artificial material
sensors – n. a device that senses light, heat, sound or motion and provides information about it
role –n. the part someone plays in an activity or job
yield – n. to produce or provide (something, such as a plant or crop)
desperate – n. very sad and upset because of having little or no hope
alternative –n. a choice or possibility
