例句與造句

1. Up to 100, 000 foreign workers work in the plantations, tapping rubber trees.
2. But her mother's hand _ rough and dirty from tapping rubber trees _ didn't squeeze the daughter's in return.
3. Countries as far apart as Malaysia and Peru have supplied practical devices for the farmer and engineer, ranging from anti-erosion slabs to a machine for tapping rubber trees at speed.
4. It's difficult to find tapping rubber trees in a sentence. 用tapping rubber trees造句挺難的