Nightlatch
弹簧锁
🗣️ 情景例句
Here it is.
在这儿。
We prepared a picnic lunch and drove down by the river.
我们准备了野餐午餐并沿河边向下开车。
a wave length (the horizontal distance between two wave crests),
波长（两个浪峰间的水平距离）