Life line
n. 救生索; （潜水员的）信号绳; 升降索; 重要的交通线（通讯联络线）
🧩 词语组成解析
life
[laɪf]
n. 生活，生计;生命，性命;一生，寿命;人生，尘世;
line
[laɪn]
n. 线条;排;行列;界线;
vt. 排队;用线标出;沿…排列成行;给…安衬里;
vi. 形成一层;排队;击出平直球;
🗣️ 情景例句
Thank you for inviting me to you wedding.
谢谢你邀请我参加你们的婚礼。
I really don't know.
我真不知道。
He added that a student had dressed up as a policeman and was playing all sorts of silly jokes on people.
还对工人说，有个学生常装扮成警察无聊地同别人开玩笑。