磨砺 steel oneself; harden oneself 磨砺心智 sharpen the wits .
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... [sharpen] 使锋利 [harden oneself] 用磨擦法使物尖锐，比喻人经受磨练或锻炼 [temper oneself;steel oneself] 在艰苦困难的环境中经受锻炼 ...
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steel oneself to do something 硬着心肠去做某事
to steel oneself 淬炼
steel oneself to 硬着头皮
Acquaint oneself with steel structure 了解钢结构件
In this paper, the nano iron sulfide plasma spraying feedstocks were made by oneself and the nano self-lubricating coatings on the steel were fabricated by plasma spraying.
本研究利用自制的纳米尺寸的硫化亚铁颗粒作为等离子喷涂的喂料，在钢基体表面制成了纳米硫化亚铁自润滑涂层。
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