Spiking
[化] 掺加; 掺加示踪剂
🗣️ 情景例句
I expect that I will be back on Sunday.
我预计星期日回来。
The problem has been bothering me for weeks.
那个问题已经困扰了我几个星期。
Whose? The twins?
谁的？那对双胞胎的吗？