Letter orders
[经] 公函定单, 订货信
🧩 词语组成解析
letter
['lɛtɚ]
n. 信;证书，许可证;字母，文字;字面意义;
vt. 用字母标明;写字母于;加标题;
vi. 写印刷体字母;
n. 牧师职, 神职
🗣️ 情景例句
whom I think you've met once or twice before.
我想你以前见过他一两次面。
We can't hear clearly.
我们不能听得很清楚。
it would be up and down, to and for and from side to side.
呈现出上上下下、来来回回、左左右右3种性质的运动。