Otoconium
[医] 耳石, 耳沙
🗣️ 情景例句
Can I buy travelers checks here?
这儿能买旅行支票吗？
Excuse me I couldn't see you.
对不起我不能去看你。
A week before, he had completed a successful overland flight during which he covered twenty-six miles.
一周以前，他曾成功地进行了一次26英里的陆上飞行。