Pronumeral
n. [数]变元,变项,未知数
🗣️ 情景例句
Her face was tanned.
她的脸晒成棕褐色。
Which side do you favor?
你支持哪一边？
Because Manhattan Island is made of solid rock, it is safe to build very tall buildings.
曼合顿岛是由坚固的岩石构成的，这使得兴建大厦非常安全。