Osteon
n. [医]骨单位(密质骨构造的基本单位)
🗣️ 情景例句
I feel as if we've met each other before.
我觉得我们以前见过面。
No. It's only take about five minutes to walk.
不用。只消走5分钟左右就到了。
Harry went on to explain that 'myrolite' was a hard, amber-like substance which could be used to remove freckles.
哈里便进一步解释“密诺莱特”是一种质地坚硬、状似琥珀的东西，可以用来除去雀斑。