1.一般现在时（动词原形或三单） We always use Xinjiang cotton. 经常做的事情/习惯 我们一直使用新疆棉。 2.一般过去时（动词过去式） We used Xinjiang cotton yesterday. 过去某个时间点做的事情 昨天我们使用了新疆棉。 3.一般将来时（will+动词原形） We will always use Xinjiang cotton. 未来某个时间会做的事情 我们将一直使用新疆棉。 4.现在进行（be+动词ing） Farmers are working in the cotton fields now. 正在进行的动作 农民们正在棉花地里犁田。 5.过去进行时（be过去式＋动词ing） Farmers were working in the cotton fields when the groundless accusation was reported. 过去某个时间点正在进行的动作 汗滴棉下土，锅从天上来。（当无根据的谴责被举报时，农民们正在棉花地里工作。） 6.将来进行时（will be+动词ing） We… Continue reading 16大时态
ffmpeg-concat
ffmpeg -f concat -safe 0 -r 1/4 -i file -f mp4 output.mp4 file file ‘a0.jpg’ file ‘a1.jpg’ file ‘a2.jpg’ file ‘a3.jpg’ file ‘a4.jpg’ file ‘a5.jpg’ file ‘a6.jpg’ ffmpeg -f concat -i file -c copy ff_merge_audio.mp3 file file ‘ff_capture.mp3’ file ‘ff_capture.mp3’
ffmpeg-drawtext
#ffplay -i 35-0-0.jpg -vf “crop=240:190:1072:0” #ffplay -i a0.jpg \ # -vf “drawtext=fontfile=/usr/share/fonts/songhei.ttf:fontcolor=ffffff:fontsize=460:x=1565:y=-40:text=’■'” \ #ffmpeg -i a0.jpg -vframes:v 1 \ # -vf “drawtext=fontfile=/usr/share/fonts/songhei.ttf:fontcolor=ffffff:fontsize=460:x=1565:y=-40:text=’■'” \ # -f image2 38-0.jpg && #ffmpeg -i a1.jpg -vframes:v 1 \ # -vf “drawtext=fontfile=/usr/share/fonts/songhei.ttf:fontcolor=ffffff:fontsize=460:x=1565:y=-40:text=’■'” \ # -f image2 38-1.jpg && #ffmpeg -i a2.jpg -vframes:v 1 \ # -vf “drawtext=fontfile=/usr/share/fonts/songhei.ttf:fontcolor=ffffff:fontsize=460:x=1565:y=-40:text=’■'” \ # -f… Continue reading ffmpeg-drawtext
chinese brand rising
Chinese-brands-rising Chinese brands rising When you buy something, do you care about its brand? May 10 is China Brand Day. It started in 2017. Activities are held on this day every year to promote Chinese brands. This year, an expo is taking place from May 10 to 12 in Shanghai. There, experts are discussing the… Continue reading chinese brand rising
Bend over’ to serve others
Bend-over＇-to-serve-others Bend over’ to serve others Zhengkaofu was Confucius’ ancestor(祖先), as well as a minister(大臣) during the Spring and Autumn Period(770-476 BC). He worked for three rulers(统 治者) in the state of Song. However, even with such a high position, he was modest(谦虚的). To teach his children to be modest, he made a ding(鼎) with these… Continue reading Bend over’ to serve others