Serrulation
n. 细锯齿状, 细锯齿
🗣️ 情景例句
I retired because... I wanted to be with my family.
我退休是因为……我想和全家人在一起。
Air China has a flight leaving at 9:25.
中国航空公司有一班飞机，9点28分起飞。
I have been putting on weight.
我开始发胖了。