n. 树桩;铅笔头,烟蒂;票根,存根;
vt. 使(脚趾)碰到某物;捻灭(香烟,雪茄等);连根拔出;
🗣️ 情景例句
You'll never be in shape until you eat less and exercisemore.
只有少吃多锻炼才能健美。
Business is business.
公事公办。
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.