Boottop
n. 水线带（等于boottopping）
🗣️ 情景例句
OK.
还好。
She is a reliable assistant.
她是个可信赖的助手。
The police were astounded when Mrs.Ramsay told them what she had done.
拉姆齐太太把她所做的事告诉了警察，警察听后大为吃惊。