TM

英 [ˌtiː'em] 美 [ˌtiː'em]

• abbr. 商标(=Trademark)

英英释义

Noun:

1. 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

近反义词

【近义词】

• thulium 铥(稀土金属元素...