Marching problem
[计] 步进式问题
🧩 词语组成解析
[计] 步进式的
🗣️ 情景例句
Please keep two for us to pick up.
请给我保留两张。
Mr. Smith is still in his fifties.
史密斯先生仍然50几岁。
Will you help me fix up this sheet? Then it'll give us some shade.
帮我固定一下布单，好吗？这样可以给我们一些阴凉。