Underground railway
高中 Senior High
地铁
🧩 词语组成解析
adj. 地下的;秘密的;先锋派的;隐蔽的;
under在…下+ground地→地下的
n. 铁路;铁道;铁路系统;铁道部门;
vi. 乘火车旅行;在…铺设铁路;
🗣️ 情景例句
A guarantor is responsible for the loan
担保人要对贷款负责
Slow help is no help.
帮忙不及时,等于不帮忙。
He was just falling asleep when there was a loud knock at the door.
他刚要入睡,就有人很响地敲门。
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