Reliability step
[计] 可靠性等级
🧩 词语组成解析
step
[stɛp]
n. 步，脚步;步骤，手段;步调;级别;
vt.& vi. 举步，行走;踩，踏上;跨入;轻快地走;
vi. 踏，踩;走;
vt. 跳舞;迈步;使成阶梯状;
🗣️ 情景例句
How about furnishings?
家具摆设怎么办？
What would you like to eat?
你想吃什么呢？
rising at one-foot intervals all the way to the top of the atmosphere.
并按1英尺的间隔从地面一直排列到大气层的顶端。