Prp
abbr. pulse recurrence period 脉冲重复周期; pulse repetition period 脉冲重复周期; performance related pay 绩效工资; present participle 现在分词
🗣️ 情景例句
All students without exception must take the English examination.
所有学生毫无例外地都必须参加英语考试。
Pleasant dreams!
愿您睡得香甜！
and we have only to turn to that extraordinary discovery of echo-location in bats to see a case in which the voice plays a strictly utilitarian role.
我们只要看一看蝙蝠回声定位这一极不寻常的发现，就可以探究一下声音在什么情况下有绝对的实用价值。