一

yī one; 1; single; a (article); as soon as; entire; whole; all; throughout; "one" radical in Chinese characters (Kangxi radical 1); also pr. [yao1] for greater clarity when spelling out numbers digit by digit

键

jiàn key (on a piano or computer keyboard); button (on a mouse or other device); chemical bond; linchpin

生成

shēng chéng to generate; to produce; generated; produced

解说

jiě shuō to explain; to comment

视频

shì pín video

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