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- Radioactive ray is material thing. 放射线是实际的物质。
- A balloon floated across the sky. 有个气球从空中飘过。
- I don't want to be around when the balloon goes up. 要出事了，我趁早离开是非之地。
- Radium and uranium are radioactive elements. 镭和铀是放射性元素。
- He burst the balloon with a prick of the pin. 他用针一戳，气球就爆了。
- A thrust with the pin broke the balloon. 用针一戳，气球就爆了。
- The balloon burst and fell to earth. 气球破裂而落到地上。
- The girl was startled when the balloon exploded. 这女孩在气球爆炸时吃了一惊。
- A certain discharge of possible radioactive effluent. 一定量的可能有放射性的废水。
- The cat batted the balloon with its paws. 猫用爪子击打气球。
- The child pricked the balloon and it burst. 那孩子在气球上刺了个洞，气球就爆了。
- Humanitarianism is apt to be forgotten when the balloon goes up. 一旦战争爆发，人道主义往往就被抛到脑后了。
- The spectators watched the descent of the balloon. 观看的人瞧著气球降落。
- A radioactive isotope of carbon, especially carbon 14. 放射性碳碳的一种放射性同位素，尤指碳14。
- Radioactive balloon 放射性球囊
- A naturally occurring or artificially produced radioactive element. 放射性元素自然产生或人为制造的放射性元素
- A radioactive compound used in radiotherapy or diagnosis. 放射性药剂一种用于放射性治疗或诊断的放射性化合物
- The immediate product of the radioactive decay of an element. 继承元素某种元素放射性衰变的直接产物
- The ballast may be thrown out to make the balloon go higher. 沙袋可以拋掉以使气球飞得更高。
- Isotopes that emit radioactive particles; a stove emitting heat. 发射出放射性粒子的同位素; 发出热量的炉子
