Vertimeter
n. [空]升降速度计
🗣️ 情景例句
Mr. Park is a devoted husband.
帕克先生是个忠实情深的丈夫。
Deep rivers move in silence, shallow brooks are noisy.
深水静静流，浅溪潺潺流。
The killing of the bison changed the whole wildlife of the plains. With fewer bison, grass shoots were not eaten, so grass did not grow as strongly.
屠宰野牛改变了平原的全部野生生物。野牛少了，嫩草没有牛来吃了，草就长得不粗壮。