crabgrass

the first year's weeds on the michigan plot are annual flowering plants, followed by tougher perennials like crabgrass and ragweed.

密歇根土地上第一年的种子是每年都开花的植物，接着被更坚韧的像沙果草和豚草取代，灌木成荫压倒了花丛。

the crabgrass frontier: the suburbanization of the united states

草坪边疆：美国城郊化

the compound has good herbicidal function to crabgrass and abutilon.

本发明的化合物对马唐、苘麻具有良好的除草作用。

soil temperature, soil moisture and seed burial depth effects on common crabgrass emergence

土壤温湿度和埋藏深度对马唐出苗的影响

pre crabgrass, goosegrass, poa, winter broad leaves.

马唐，蟋蟀，早熟，冬季阔叶。

I'll weed out crabgrass from a lawn.

我将除去草坪上的蟋蟀草.

oh, no! it's happening, and i can't believe it! this is terrible. . . to me, cats are the crabgrass in the lawn of life!

噢，不！这终于发生了，我真不敢相信！太可怕了……对我来说，猫在我的人生中就像草坪里的马唐！

jackson, kenneth t. crabgrass frontier: the suburbanization of america. oxford: oxford university press, 1985.

《杂草的前沿：美国的郊区化》。牛津：牛津大学出版社，1985。