Neutronics
中子物理学; 中子学
🗣️ 情景例句
Between the woods and frozen lake
就在林子和冰湖之间
I know he will understand your letter.
我知道他会明白我的信。
Centuries ago, the word beeline was made to describe this thin line of bees flying through the air.
几百年前，有人用beeline 这个词来描写蜜蜂在空中飞行的细窄路线。