Quartrefoil
四叶饰
🗣️ 情景例句
The speed limit here is 60 miles an hour.
这儿限速为每小时六十英里。
which direction is it to the theatre?
它哪个方向对剧院？
It later became apparent that rabbits were developing a degree of resistance to this disease,
后来，明显看出，兔子对这种疾病已产生了一定程度的免疫力，