Latus rectum
n. 正焦弦正焦弦
?? 詞語組成解析
邊, 弦
rectum
['rekt?m]
n. 直腸;
??? 情景例句
Marilyn, Susan, let's not begin to worry about Michelle and Max.
Marilyn， Susan不要開始擔心Michelle和Max。
I could swear I've been here before.
我敢發誓我曾經來過這兒。
The geologist needs to know what rocks the drill has reached,
地質學家需要知道鉆頭已經到達什么樣的巖層，