Ductus semicircularis posterior
[医] 后半规管
🧩 词语组成解析
[医] 管, 导管
posterior
[pɔs'tiəriə]
adj. （时间上）较晚的;在后的;后面的;尾部的;
n. 身体后部，臀部;
🗣️ 情景例句
The vitality of the movement is threatened.
这个运动的生命力岌岌可危。
Yes,I had breakfast two hours ago.
是,我2小时以前吃了早餐。
What a relief it was when the boulders suddenly disappeared, giving way to a stretch of plain where the only obstacles were clumps of bushes.
突然大石块不见了，前面是一片平地，唯一的障碍只有一簇簇灌木丛。这使我们长长地松了口气。