Unstratified
[计] 非成层的
🗣️ 情景例句
You'll probably want the family car
你也许需要用家里的车
When was the last time he wrote you ?
他给你写最后一次是什么时候？
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。