Fail-safety
[计] 故障保险, 失效保险
🧩 词语组成解析
fail
[fel]
vt.& vi. 失败，不及格;倒闭，破产;缺乏;衰退;
vi. 衰退;失败，不及格;破产;不足;
vt. 不及格;使失望;忘记;舍弃;
n. 失败，失误;不及格;不及格者;[商]期货交割失期;
fals, fall =err,deceive,表示”犯错误,欺骗”
🗣️ 情景例句
The plan is a simple one.
计划很简单。
Judge not a book by its cover.
评定一本书，不能凭封面。
Almost any day a young porpoise may be seen trying to turn a 300-pound sea turtle over by sticking his snout under the edge of his shell and pushing up for dear life.
几乎每天都可以看到一只小海豚把鼻子顶入一只300磅重的海龟的硬壳下面，拼命地把它翻过来。