usually的形容词形式：usual 通常的;寻常的;惯常的;惯常的事物;(尤指)常喝的饮料
Business is usually quieter at this time of year.
每年这个时节，生意往往比较清淡。
The team usually plays in a 4-4-2 formation.
这支球队比赛通常排出的是4–4–2阵形。
I'm usually home by 6 o'clock.
我一般6点钟回到家。
The head teacher usually takes us for French.
校长通常给我们上法语课。
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