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
How long?
多久?
There is life in the old dog yet.
老当益壮。
In the first place, any scientific study requires that there be no preferential weighting of one or another of the items in the series it selects for its consideration.