Tmds
[医][=tetramethyl-disilazane]四甲基二硅氮烷，四甲基二硅氨
🗣️ 情景例句
You look very familiar. Have we been introduced before?
你看起来很面熟，我们以前互相介绍认识过吗？
Hold on,please.
请你等一下。
He was rather elderly with grey hair and clear blue eyes.
他上了年纪，有着灰白的头发和明亮的蓝眼睛。