TMS 📖 中文释义 [计] 时间多路交换技术[化] 四甲基硅烷 📘 English Definition(英文释义) n a soft silvery metallic element of the rare earth group; isotope 170 emits X-rays and is used in small portable X-ray machines; it occurs in monazite and apatite and xenotime ← tmr T 字母词表 Tmt →