Fathogram
n. 回音测深仪纪录图, 水深图
🗣️ 情景例句
I'm glad you came by, Alexandra.
我很高兴你能来 Alexandra。
I'm going to show him how to speak Chinese.
我正要指点他如何讲中国话。
Opportunity knocks but once.
机不可失，时不再来。