Lsn
abbr. 行稳定网络（Line Stabilization Network）；长源距中子测井
🗣️ 情景例句
I'm afraid I'll be tied up tomorrow at ten.
恐怕明天上午10点我很忙。
No sunshine but bath some shadow.
有明必有暗。
The doctor advised me to give up smoking.
医生建议我戒烟。