Helicidae
n. 大蜗牛科\\n
🗣️ 情景例句
I think aerobics is easy.
我觉得有氧运动很容易。
Opportunity only knocks once.
机不可失，时不再来。
The children were leaving school on Tuesday when they saw a truck.
星期二，孩子们正放学回家，这时，他们看见一辆卡车。