Underdrain
n. 阴沟, 地下沟道, 盲沟, 暗渠
🗣️ 情景例句
I'm sure you can, Ellen.
说的没错， Ellen。
I believe I'm the strongest.
我相信我是最强壮的。
Very few of the fifty pence pieces and pound coins I have given him have found their way there.
我给了不少50便士的硬币，但没有几个存到储蓄罐里。