Lapser
n. 失效；流逝；过失 (lapse的变形)
🗣️ 情景例句
There's a slight chance of some snow tomorrow.
明天也许会下点雪。
It's time for class.
上课时间到了。
it is not always safe by the time it reaches the tap.
等水到达龙头时就不一定总是安全的了。