But if history is any indication, the dollar coin still has some hurdles to cross.
历史种种迹象表明，美元硬币仍要跨越许多障碍。
The dollar coin legislation is expected to win approval in both the House and Senate.
关于1美元硬币的法案预计在参议院和众议院都将获得通过。
A 70-pound octopus can squeeze through a hole as small as a dollar coin.
一条70磅重的章鱼能从一个一美元硬币大小的孔中钻过去。
也有一美元硬币。
Tom: Madam, I lost a one-dollar coin and was searching for it.
汤姆：老师，我掉了一美元硬币，我在找它。
Tom: Madam, I lost a one-dollar coin and was searching for it.
汤姆：老师，我掉了一美元硬币，我在找它。
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