英语语法分析

The poor old man is beginning to dodder.

那位可怜的老头开始变得衰弱颤抖了。

Certain plants, including mistletoe and dodder, parasitize other plants to obtain water and nutrients.

某些植物，像槲寄生、菟丝子寄生于另一些植物来获取水和养分。

The researchers isolated a chemical in wheat that repels dodder. This could lead to new ways of fighting the weed.

研究人员从小麦中提取的一种化学物质可以抵制菟丝子，所以有可能找到新办法来抗击这种杂草。