Radioactivities
(radioactivity 的复数) n. 放射性\\n[化] 放射性
🗣️ 情景例句
Britain is behind Japan in developing modern technology.
在发展现在技术方面英国落后于日本。
The fowler's pipe sounds sweet until the bird is caught.
捕禽人笛声悠扬，直吹得鸟儿落网。
Last year we helped them with the orange-picking.We really enjoyed working on the farm.
去年我们帮他们搞苹果。我们实在太喜欢在农场干活了。