Sexavalent
a. [化]六价的
🗣️ 情景例句
towards refurnishing the old library
去重新整修老图书馆
Who is the greatest writer of our times?
谁是当代最伟大的作家？
It was revealed that 20% of men in their mid-thirties snore.
调查指出，20%的35岁左右的男人打鼾；