Tsst
abbr. time-space-space-time 时-空-空-时（交换网络结构）; toxic shock syndrome toxin 中毒性休克综合征毒素; two-step skin testing 二步法皮肤试验
🗣️ 情景例句
But you had to be good at math.
但是你数学一定很好。
To build a house
成家
Why don't you let me pick it up.
就让我来付帐好了。