Stepped gear
[机] 塔齿轮
🧩 词语组成解析
v. 踏；行走（step的过去式和过去分词）
gear
[ɡɪr]
n. 齿轮;排挡;传动装置;衣服 ;
vi. 接上;调和;
vt. 使适应;装上齿轮;用齿轮连接;
🗣️ 情景例句
Well, I almost had a heart attack a few moments ago.
好啦，我几乎要得心脏病了。
My sister was born in nineteen thirty-eight.
我的妹妹是一九三八年出生的。
In the early days of the settlement of Australia,
在澳大利亚移民初期，