n. 石头;宝石;矿石;(膀胱或肾脏中的)结石;
vt. 向扔石块;用石头铺;以石掷向;除(水果的)硬核;
adj. 石制的;石头似的;[S-]石器时代的;粗陶制的;
adv. 石一般的;
🗣️ 情景例句
Good. Do you have any back or knee problems?
好。你的背部和膝关节有什么毛病吗
No trouble at all.
一点儿也不麻烦。
Professor Ronald Bracewell, a leading American radio astronomer,argued in Nature that such a superior civilization, on a visit to our own solar system,