hard face 敷焊硬合金层 ; 硬制合金 ; 难看的脸
Hard Face Materials Series 硬面材料系列
hard face alloy 硬面堆焊用硬质合金 ; 硬面合金
It's hard to face 很难去面对
hard to face 难以忍受
hard gear-face 硬齿面
Certainly a little narrow face, with hard eyes, had flashed up for an instant from a hole, and was gone.
确实有一张窄窄的小脸,露着严厉的目光,在一个洞里闪了一下,就不见了。
When people are stressed or thinking hard about something, then they will often put on a "grumpy face" without even knowing what they are doing.
当人们感到有压力或正在努力思考某件事时,他们往往会摆出一副“暴躁的面孔”,而自己甚至意识不到。
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