Aperture of sphenoidal sinus
[医] 蝶窦口
🧩 词语组成解析
n. 孔,洞;(照相机,望远镜等的)光圈;孔径;隙缝;
aper开+ture表名词 → 开口,孔
prep. 关于;属于…的;由…制成;
aux. 助动词 [非标准用语、方言] =have [主用于虚拟语气];
🗣️ 情景例句
Where are the shopping carts?
购物车在哪儿?
I don't know what I should have done without your help.
要不是您的帮助,我真不知道该怎么办。
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