Quadriliteral
a. 包含有四个字母或辅音的\\nn. 包含有四个字母或辅音的字[字根]
🗣️ 情景例句
How much paint, how many hours of work ...
多少油漆， 多少小时的工作量……
In secondary school, children study history and geography.
中学的小孩会读历史和地理。
A team of pot-holers recently went down the Gouffre Berger.
最近，一队洞穴探险者下到了高弗。伯杰洞里。