Catchment
n. 排水区, 集水, 流域
🗣️ 情景例句
He gives his harness bells a shake
摇动， 绳上的铃铛
Thoroughly to teach another is the best way to learn for yourself.
教学相长。
knowing that others will carry on what I can no longer do,
明白了有人会继续我的未竟事业，