Nitrogen supply unit
[化] 供氮设备
🧩 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
unit
['ju:nit]
n. 单位，单元;装置;个体;[数]单位数;
🗣️ 情景例句
I hope he's good when we're away.
我希望我们不在的时候他很乖。
What are you doing?
你正在做什么？
While John Gilbert was in hospital, he asked his doctor to tell him whether his operation had been successful,
当约翰。吉尔伯特住院的时候，他问医生他的手术是否成功，