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[经] 电报纸
🧩 词语组成解析
🗣️ 情景例句
Then an adult must sign for you.
那就必须有一位成年人来替你签字。
Kind words are worth much and cost little.
口头方便不费力。
do in fact run out of energy in accordance with the second law of thermodynamics (whether the whole universe does so is a moot point at present).
也都会消耗完其能量（整个宇宙是否如此，目前尚有争论）。