Safe length
[计] 安全长度
🧩 词语组成解析
safe
[sef]
adj. 安全的;保险的，肯定的;无损的;提供保护的;
n. 保险箱，保险柜;冷藏箱;〈俚〉避孕套;
🗣️ 情景例句
Do you think it's...
你想会是……
To march in shingle file
排成一列前进
But in an old man who has known human joys and sorrows,
可是老年人已经饱尝了人间的甘苦，