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词汇
aromatic substitution
释义
aromatic substitution
短语¹⁴⁴⁹⁷²⁺
²
基本
例句
芳香族取代
It is very difficult to sulfonate PES by electrophilic aromatic substitution reaction.
同时通过改变氯磺酸与聚醚砜的摩尔比,可以对反应进行控制。
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Heustreu
he usually behaves rather conventionally
He usually drives at a moderate speed
He usually drives to work
He usually fares sumptuously
He usually gets the better of his class mates
He usually goes home on the sleeper
He usually goes out for a walk at dusk
He usually has a cigar vised in his teeth
He usually lathers his chin up before shaving
He usually likes to massage
He usually makes like a big shot
he usually opens a can of worms
He usually stays at home with his pet dog
He usually stays calm
He usually supped on bread and milk
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更新时间:2025/2/23 19:10:14