🧩 词语组成解析
shelf
[ʃɛlf]
n. 架子，搁板;棚;沙洲，暗礁;格，层;
🗣️ 情景例句
doing a commercial.
正在做广告。
Wade not in unknown water.
不知水的深浅，不可粗心趟水过河。
The young man did not wake up until the bed had struck the ground.
那年轻人直到床撞到地上才醒了过来。