Tbt
[建] 钛酸四丁酯
🗣️ 情景例句
there isn't any work for a retired person my age.
没有我这种年纪的退休老人的工作。
The missile is in pursuit of the jet.
导弹追赶着喷气机。
I've come to make sure that your stay in Beijing is a pleasant one.
我特地为你们安排使你们在北京的逗留愉快。