Ifdef
n. 如果定义了
🗣️ 情景例句
Ah! I'd like to follow in my own footsteps, Mike.
噢 ，我想走自己的路 ，Mike。
There must be someone behind the door.
门后必然有人在。
I could not catch your question. Could you repeat it, please?
我没听清楚你们的问题，你能重复一次吗？