Sign mould
[计] 符号模型, 正负号模型
🧩 词语组成解析
mould
[məuld]
n. 铸模;模型;性格;霉;
vt. 用模子做;形成;陶冶，训练（人格）;用土覆盖;
🗣️ 情景例句
Oh, it's going to be all right.
不会有问题了。
I'd like to take off for home tomorrow.
我想下星期五请假。
Last year we helped them with the orange-picking.We really enjoyed working on the farm.
去年我们帮他们搞苹果。我们实在太喜欢在农场干活了。