Perpendiculars
垂直的, 成直角的( perpendicular的名词复数 )；直立的
🗣️ 情景例句
Practice tenses as much as possible.
操练各种时态。
He preaches best who lives best.
言教不如身教。
The curious bottle, which now adorns the bookcase in his study, was his first and last purchase of rare cosmetics.
在他书房的书柜里摆着那瓶形状古怪的香水泥就是他第一次也是最后一次购买的稀有化妆品。