Vacuum supply
[化] 抽真空
🧩 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
🗣️ 情景例句
To the patients in the ward?
读给病房里的病人？
I bought one gallon of milk.
我买了一加仑牛奶。
I was very glad when the boys won the relay race.
我非常高兴，男同学在接力赛中获胜。