搜索 | sōu suǒ | to search (a place); to search (a database etc) |
留 | liú | to leave (a message etc); to retain; to stay; to remain; to keep; to preserve |
liú | old variant of 留[liu2] | |
liú | old variant of 留[liu2] | |
痕 | hén | scar; traces |
怎样 | zěn yàng | how; why |
操作 | cāo zuò | to work; to operate; to manipulate |
视频 | shì pín | video |
教学 | jiào xué | to teach; teaching and learning; education; CL:門|门[men2],個|个[ge4] |