Mma
abbr. 甲醛丙烯酸甲酯（Methl Methacrylate）；人工金属（电极）电弧焊接法（Manual Metal Arc）
🗣️ 情景例句
Mr. Carlson will be with you shortly. Carlson
先生不久就可以见你。
Our own actions are our security,not others' judgements.
我们的行为是自己的保证，并不是旁人的鉴定。
has shared a flat with her cat, Rastus, for a great many years.
多年来，一直同她养的猫拉斯一起住在一所公寓里。