Ifdef
n. 如果定义了
🗣️ 情景例句
It's Zhao, Z-H-A-O.
姓赵，Z-H-A-O。
Fair faces need no paint.
貌美毋须修饰。
but ten months later, she received a letter from a girl in Holland.
但10个月以后，她收到了荷兰一位姑娘的来信。