Radiocalcium
[化] 放射性钙; 钙45\\n[医] 放射性钙, 射钙
🗣️ 情景例句
Work harder and practice more.
要更加努力地学习，更加勤奋地操练。
What's the fare?
车费多少？
He was glad to get away with a mere twenty pounds and he beat a hasty retreat, clutching the precious bottle under his arm.
他庆幸自己只破费了20英镑便得以脱身。他把那宝贵的瓶子放在腋下夹着，溜之大吉。