fewer than any other用比较级表示最高级,也就是说今年回来的黑脉金斑蝶数量是最少的。
2.The researchers then purposely interfere with the monarchs and follow their movement again.
interfere with干预, 阻挠, 妨碍, 阻止
例句:That interferes with my plan.
那干扰了我的计划。
The noise interferes with my work.
这噪音妨碍我的工作。