1. She held a corncob in her hand and began peeling off the kernels.
她手里拿着一根玉米芯，开始剥下玉米粒。

2. The chickens in the farm love pecking at corncobs.
农场里的鸡喜欢啄食玉米芯。

3. The children made toy horses from corncobs and straw.
孩子们用玉米芯和稻草做了一些玩具马。