| 单词 | fourth-class |
| 释义 | fourth-class fourth-class AHD: [fôrth“kl²s“, f½rth“-] D.J. [6f%8G6kl#s, 6f*&rG-]K.K. [6f%rG6kl#s, 6forG-]adj.（形容词）Of or being a class of mail consisting of merchandise and some printed matter weighing over eight ounces and not sealed against inspection.第四类邮件的：内含商品和印刷品超过8盎司以上的不封口的邮件的adv.（副词）As or by fourth-class mail.作为第四类邮件的 |
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