Security descriptor
[计] 安全性描述
🧩 词语组成解析
descriptor
[dɪˈskrɪptɚ]
n. 描述符;
🗣️ 情景例句
Good morning, sir.
早安，先生。
Poverty on an old man's back is a heavy burden.
老而贫穷，负担沈重。
This is done by a great number of ring-shaped air jets on the bottom of the craft.
船底装上大量环状喷气嘴以实现这一目的。