X-section
[化] 交叉截面
?? 詞語組成解析
section
['s?k??n]
n. 部分;節;部件;部門;
vi. 切開;切斷;做（動物或植物組織）切片;把（精神病患者）正式送入精神病院;
vt. 把…切成片（或段）;作…的切片;把…作成截面;制作…的剖面圖;
sect切， 割+ion名詞后綴 → 切開；部門
??? 情景例句
I have a book with photos of some homes in that area.
我有一本那個地區房子的照片。
Do you usually do arithmetic on Sunday?
你通常在星期日做算術嗎？
I joined in the march and we were marching peacefully along and then the police came up.
我參加了游行，我們以和平的方式往前行進，這時警察突然來了。