Nanoparticle
纳米粒
🗣️ 情景例句
Really, Mr. Marchetta?
真的吗，Marchetta先生？
Tractors have revolutionized farming.
拖拉机使耕作有革命性的变化。
They also found out that bees fly a maximum distance of 3.2 kilometres between their hive and a feeding place.
他们还发现蜜蜂从蜂箱到喂食点的最大飞行距离是3。2公里。