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- It is very difficult to control perennial weed field horsetail (Equsetum arvense L. ). 摘要问荆是一种多年生难防杂草。
- Even though there are many researches on the field horsetail, there are not effective methods that the weed could be controlled by them. 虽然报导问荆的文献较多，但目前还缺乏有效的防治方法。
- Chemical control using some high transporting herbicides (MCPA, 2,4-D, glyphosate, et al.) together with some other control methods could control field horsetail effectively. 采用强传导性的除草剂品种，如2甲4氯、2,4-滴、草甘膦等，并将化学防除和其他防除方法有效结合起来才可能有效地防除问荆。
- The field artillery pounded away at the for tress. 野战炮兵连续炮击那座要塞。
- The crowd cheered as the teams entered the field. 球队入场时观众们为之欢呼。
- On the map the drains of each field are laid sown. 地图上标有每一块地的排水沟。
- Right-handed batters usually hit to left field. 右撇子击球手把球打到左外野。
- The runaway horse was cornered in a field. 那匹跑掉的马在田地里被圈住了。
- Tent is used by camper and by soldier in the field. 露营的人和战地的士兵用帐篷。
- The children had a field day with their new toys. 孩子们玩新玩具玩得十分开心。
- An oil well blew out in the oil field. 油田里有一口油井发生井喷。
- He is an adventurer in financial field. 他是金融领域的投机者。
- The castle frowned down upon the field. 城堡呈威压之势俯视原野。
- The peasants fertilize the field by using manure. 农民们施肥来使土地肥沃。
- The field of operations has been staked out. 军事演习的区域已经划定。
- They were pioneers in the field of microsurgery. 他们是显微外科学领域的创始人。
- A football field should be level. 足球场地应该平坦。
- He played the field academically. 他在学术上涉猎广泛。
- I like to watch field and track events. 我喜欢观看田径比赛。
- What Tom wants is to do his field work. 汤姆想的是作他的野外实习。
