weekn.星期;周
Week's wax knife这是最好的一个。
week-end ticket周末客票
week intercalation软弱夹层
week and week about每隔一周
week of loving birds爱鸟周
week-phase feeding周龄饲喂
week of the month effect月内效应
week laws of large numbers弱大数定律
WEEK THREE In our classroom我们的教室
week persistence in the mean弱平均持续生存