Tbt
[建] 钛酸四丁酯
🗣️ 情景例句
The answer leapt out at me.
答案突然在我脑海中闪现出来。
Trust not the praise of a friend, nor the contempt of an enemy.
不要信赖朋友的赞扬，也不要仇敌的轻蔑放在心上。
The line's busy. I'll try again later.
电话占线，过一会我再打。