🧩 词语组成解析
calf
[kɑ:f]
n. 牛犊;犊皮;腓，腿肚子;
n. 用绳捆；绳比；条痕
🗣️ 情景例句
To help scrub the building interior clean.
帮忙把建筑的内部擦洗干 。
He's behind the rest of the class in reading.
他在阅读方面不如班上的其他同学。
I opened the cupboard door and then stood in front of it petrified.
我打开柜门，站在柜门前一下惊呆了。