Extension ladder
n. 伸缩梯
🧩 词语组成解析
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
How much does a return ticket cost?
返程票多少钱？
The cast of the play included a famous actor.
戏的演员组包括了一位著名的演员。
Have you decided which boat to take, Sir?
先生，您决定用哪只船了吗？