adv. (坐、倒、躺)下;向下;(表示范围或顺序的限度)下至;
prep. (从高处)向下;(表示位置)在…的下方;(表示方向)沿着…向下;(表示时间)自…以来;
adj. 向下的;沮丧的;计算机或计算机系统停机;(以…)落后于对手的;
n. (鸟的)绒羽;绒毛;软毛;汗毛;
vt. 放下;(尤指大口或快速地)喝下;使摔倒;击落(敌机等);
vi. [常用于祈使句中]下去;下来;卧倒;下降;
🗣️ 情景例句
Yes, she did.
是的, 她说了。
A fool always rushes to the fore.
傻瓜总爱强出头。
Some of the bigger firms are engaged in researches which are of such general and fundamental nature that it is a positive advantage to them not to keep them secret.