Ladder sign
[医] 阶梯征(肠梗阻的X线征)
🧩 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
You came very close, Ellen.
差了一点点， Ellen。
There are one hundred pennies in every dollar.
每美元是一百美分。
Once, however, it failed to give the correct time.
然而有一次，它却把时间报错。