Energy is the currency of the ecological system and life becomes possible only when food is converted into energy, which in turn is used to seek more food to grow, to repro duce and to survive.
能量是生态系统的货币，只有当食物转变成为能量，能量再用来寻找更多的食物以供生长，繁殖和生存时，生命才成为可能。
A speaker that had enough power reserves to faithfully repro duce powerful tutti passages as well as the subtlest pianissimo.
一只够分量的喇叭足以呈现出强劲的合奏曲以及极为细微的柔美的音色。
A speaker that had enough power reserves to faithfully repro duce powerful tutti passages as well as the subtlest pianissimo.
一只够分量的喇叭足以呈现出强劲的合奏曲以及极为细微的柔美的音色。
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