Make certain
成人 Adult Edu
确定
🧩 词语组成解析
vt. 做,制造;生产,制定;使成为;使产生;
vi. 开始;尝试;行进;增大;
n. 制造;生产量;性格;形状,样式;
adj. 某一;必然的;已确定的;
pron. [动词用复数]某些;
🗣️ 情景例句
Did you watch the football game between Manchester United and Arsenal last night?
昨晚你看了曼联对阿森纳的足球比赛吗?
He is playing on the see-saw in the yard.
他正在院子里玩跷跷板。
For our purposes, we are concerned only with one kind of cost----
就我们的目的而言,我们只关心一种费用-
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