Quasistable isotope
[化] 准稳定同位素(指碘129、镎237等长寿命同位素)
🧩 词语组成解析
🗣️ 情景例句
What section is the car parked in? ?
车停在哪儿？
Let the hands get busy, not the mouth.
手要勤劳，嘴莫多说。
Education, with its cycles of instruction so carefully worked out,
教育，以其教学周期如此精心地安排，