Step-ladder
阶梯；叉梯；梯子
📖 牛津释义
step-ladder
n portable folding ladder that can stand on its own, with steps rather than rungs and usu a small platform at the top 摺梯. =>illus at ladder 见 ladder 插图.
🧩 词语组成解析
step
[stɛp]
n. 步，脚步;步骤，手段;步调;级别;
vt.& vi. 举步，行走;踩，踏上;跨入;轻快地走;
vi. 踏，踩;走;
vt. 跳舞;迈步;使成阶梯状;
ladder
['lædɚ]
n. 梯子，阶梯;梯状物;途径;（紧身裤袜或长筒袜的）滑丝;
vi. 使（袜子）发生抽丝现象;像长筒袜一样抽丝;
🗣️ 情景例句
But we'd like to find out
但我们想知道
Rivers need a spring.
大河要有源头。
OK.
好吧。