... maser source 微波激射源 mass horizon 质量水平线 mass motion 整体运动 ...
双语例句
1
At the horizon the land mass becomes a continuous pale neutral grey, almost blending with the sky.
在地平线上，大片陆地变成一片连绵而暗淡的浅灰色，几乎与天空交融在一起。
《柯林斯英汉双解大词典》
2
If m is the mass of the sun, the radius of the event horizon is three kilometers.
视界的半径就是，3公里，若m是太阳的三倍重。
3
You may give free rein to your imaginations when admiring a mass of such colors: pink clouds in the horizon, a vast, open country, a long-gone history, or memory of your last intoxication.