sorting by hand中文什么意思

例句与用法

1. a lot of the garbage he sorts by hand .
   大量垃圾都是经过他的手清理的。
2. they are then destemmed and put on a sorting table where they are sorted by hand
   采收后去梗放在输送带上手工拣选优良果实。
3. the grapes are handpicked after being tasted for their ripeness, they are then destemmed and put on a sorting table where they are sorted by hand
   果实皆在品尝检测过成熟度后方才全部手工摘取，然后去梗放在输送带上手工再次手工过滤拣选。