n.穿孔者；鉆孔器；船蛆；鑿船蟲

This poison helps the plants resist insect, especially the maize borer. 毒素可以幫助農(nóng)作物抵抗害蟲，尤其是玉米鉆孔蟲。

Digging is done by forcing the borer into the ground and twisting the handle. 把鉆孔器用力插進地里，轉動把手，就可以實現(xiàn)挖掘。

n.勞動者；勞工

=labourer（英）.

勞動者