Unduplicated
a. 无复制品的,无副本的无法匹敌的, 无法模拟的
🗣️ 情景例句
but when I received the letter
但是当我收到那封信
Is there a subway station nearby?
这附近有没有地铁车站？
They are near the river.
他们紧靠着河。