巨大的卫星天线接收着来自宇宙的信号。
The massive ___antenna receives signals from space.
蝴蝶的触角能帮助它感知周围的花朵。
The butterfly uses its ___antennae to sense nearby flowers.
作为销售人员，他对客户的需求有着敏锐的直觉。
As a salesperson, he keeps his ___antenna sharp for customers' needs.
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