Under plain cover
以普通信封寄发
🧩 词语组成解析
under
['ʌndɚ]
prep. 在…下面，在表面之下;在…的假定表面或掩饰下;少于，小于;在…情况下;
adv. 在下面;少于;在水下;在昏迷中;
adj. 较低的，下面的;
plain
[plein]
n. 平原;平地;[纺织业]平针;朴实无华的东西;
adj. 平的;素的;清晰的;相貌平平的;
adv. 清楚地，明白地;平易地;[用以加强语气]显然;完全地;
vi. 发牢骚;诉苦;
🗣️ 情景例句
He and Michelle
他和 Michelle
An empty bag cannot stand upright.
空袋不能直立。
In August, she was struck by a very heavy storm during which her rudder was torn away.
8月份“卡蒂萨克”号遭到一场特大风暴的袭击，失去了一只舵。