Tricosane
二十三(碳)烷 n-tricosane正二十三(碳)烷
??? 情景例句
Anybody who drinks too much can be called a boozer.
喝酒太多的人叫酒鬼。
He that would eat the fruit must climb the tree.
不勞無獲。
'We mustn't buy things we don't need,' I remarked suddenly.
“我們不應該買我們不需要的東西,”我突然發表意見說,
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