🧩 词语组成解析
lesson
['lɛsn]
n. 教训，训诫;功课;课程，一堂课;[宗]日课;
vt. 教训，训斥;教课;向…授课;
🗣️ 情景例句
You really like Michelle, don't you?
你的确很喜欢Michelle， 是吗？
Nothing to be got without pains but poverty.
只有贫困可以不劳而获得。
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）。