🧩 词语组成解析
rolling
['rəuliŋ]
adj. 旋转的;波动的;起伏的;
n. 旋转;动摇;轰鸣;
calf
[kɑ:f]
n. 牛犊;犊皮;腓，腿肚子;
🗣️ 情景例句
Good-bye.
再见。
Often, when it rains, Marty feels blue.
一下雨，玛琪就会变得忧郁。
I would make a very poor show of disputing the ownership of a cave with a bear,
要我和一只熊去争洞穴，我会出洋相的；