Wl
abbr. 水位（waterline或water line）
🗣️ 情景例句
I understand. But tell me.
我能理解。告诉我。
Children enter primary school at the age of 7.
孩子们7岁进小学。
that people have for years assumed that the process of losing vigour with time,
多年来就已认识到。生命力随着时间流失而丧失活力，