英语语法分析

Seedless grapes have high commercial value.

无核葡萄具有重要的商业价值。

It is an effective approach to breed the resistance cultivars of seedless grape by transferring resistant gene into the cultivars of Vitis vinifera.

将抗性基因转入葡萄品种是培育无核葡萄抗病品种的有效途径。

The trick is planting seeded watermelons near the seedless ones.

有一种种植的诀窍，就是把有籽西瓜种在无籽西瓜附近。