Radioactive series
放射性系\\n[化] 放射性系
🧩 词语组成解析
🗣️ 情景例句
Let's see.
让我想想。
She felt very awkward about the unpleasant situation.
她因不愉快的场面而感到十分困窘。
Once a year, a race is held for old cars.
旧式汽车的比赛每年举行一次。