-s
suf. 附在规则名词之后构成复数; 附在某些无单数形式名词之后构成复数glasses, socks, trousers; 附在某些名词之后构成单数billiards, checkers, works; 用以构成表示反复或一贯之动作或状态的副词always, Sundays; 附在原形动词之后, 构成第三人称单数一般现在时态的陈述语气
🗣️ 情景例句
Mrs. Montefiore told me that
Montefiore太太告诉我
I'll call the roll before class.
课前我要点名。
rising at one-foot intervals all the way to the top of the atmosphere.
并按1英尺的间隔从地面一直排列到大气层的顶端。