Supply line
补给线\\n[化] 供应管线
🧩 词语组成解析
supply
[sə'plaɪ]
vt. 供给;补充;弥补（缺陷、损失等）;向…提供（物资等）;
n. 供给物;储备物质;粮食;
vi. 暂代他人职务;
sup在下面+ply重叠，折叠→重叠下去→供应[下去],补给
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
Hi, it's nice to meet you.
你好，很高兴见到你。
What were you doing at about 4 o'clock yesterday afternoon?
你昨天下午在大约4点钟正在做什么？
It's about 400 yards from here.
离这儿大约有400码。