Paraethoxyacetophenone
对乙氧基苯乙酮
🗣️ 情景例句
You bet.
当然。
When I had a rest, what were you doing?
当我休息时，你在做什么？
In 1858, a French engineer, Aime Thome de Gamond, arrived in England with a plan for a twenty-one-mile tunnel under the English Channel.
1858年，一位名叫埃梅。托梅。德。干蒙的法国工程师带着建造一条长21英里、穿越英吉利海陕的隧道计划到了英国。