Echelon grating
[化] 阶梯光栅\\n[医] 梯式格子
🧩 词语组成解析
echelon
['eʃəlɔn]
n. （机构中的）等级，阶层（机构中的）等级，阶层;梯形，梯形编队;
vi.&vt. 排成梯队;
grating
[['greitiŋ]]
n. 光栅, 摩擦, 摩擦声\\na. 令人气恼的, 刺耳的
🗣️ 情景例句
Let's give him our presents--now.
现在把我们的礼物送给爷爷吧。
You cannot judge a tree by its bark.
人不可貌相。
Yes, speaking. Just a moment. Let me turn the music down. There, that's better.
是的，我就是。请稍等。让我把音量关小一点。你瞧，好多啦。