铊 Stroke Order

铊 鉈 tā 〈名〉 1. A rare and widely distributed metallic element used in the manufacture of photoelectric tubes, low-temperature thermometers, optical glass, etc. Its salts are toxic and used in medicine. (English: thallium) — Element symbol Tl 2. A rare and widely distributed metallic element that resembles tin in appearance but easily forms an oxide layer in air. It is malleable like lead but softer. It primarily occurs in the form of compounds in a few minerals (for example, thallium selenide and red thallium ore). Highly toxic, it is mainly used in the form of compounds. (English: thallium) — Element symbol Tl 3. Same as "砣" (a type of weight).