这种假设合情合理：蝙蝠喜食花蜜，而且可以轻易接近树冠处的花朵。
The supposition made sense: Bats are nocturnal, many of them are avid nectarivores, and they can easily reach the highest blooms in a tree.
所用之系统应要能够容许轻易接近处理婴儿，但亦应要使周围环境之变化降至最低。
The system used must allow ready access to the infant but should also minimise alterations in the immediate environment.
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