据认为，一个谁可以作为大师中的“酷”的一个想法。
It is believed that one who masters Chinese can be thought as the "cool" one.
据研发者介绍，世界上最小的单人直升飞机不久将在达·芬奇的出生地试飞。 达·芬奇被认为是提出直升飞行器想法的第一人。
The world's smallest one-man helicopter will soon take flight in the birthplace of Leonardo da Vinci, who is credited with having first thought of a vertical-flight machine, its developer said.
据研发者介绍，世界上最小的单人直升飞机不久将在达·芬奇的出生地试飞。 达·芬奇被认为是提出直升飞行器想法的第一人。
The world's smallest one-man helicopter will soon take flight in the birthplace of Leonardo da Vinci, who is credited with having first thought of a vertical-flight machine, its developer said.
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