• 1. be from come from: 来自
• 2. come from be from: 来自

• 1.These levels come from outside activities that penetrate the classroom structure, from teaching activities, and other noise generated inside, which can be exacerbated by room reverberation.
  这些（噪音）可以是穿透教室建筑结构的室外活动声、教学活动的声音以及室内产生的其它各种声响，这些声音都会因为房间的回声效果而被放大。
  dict.yoduao.com
• 2.If you compare soils from a forest with soils that don't come from a forest, the amount of variability will most likely be greater in the forest's soil.
  如果你比较来自森林的土壤和不是来自森林的土壤，森林土壤的变化量很可能更大。
  dict.yoduao.com
• 3.Some of the costs come from fees and benefactions, particularly towards research, but most have to be paid from public funds.
  某些费用，尤其是科研费用，来自学费和捐款，但是多数费用还得由公共基金支付。
  dict.yoduao.com

©2026 网易公司