step-ladder
n portable folding ladder that can stand on its own, with steps rather than rungs and usu a small platform at the top 摺梯. =>illus at ladder 见 ladder 插图.
n. 梯子,阶梯;梯状物;途径;(紧身裤袜或长筒袜的)滑丝;
vi. 使(袜子)发生抽丝现象;像长筒袜一样抽丝;
🗣️ 情景例句
My little boy is having a school play tonight, I don't want to miss it.
我的小儿子今晚会参加学校的戏剧表演,我不想错过了。
The frog in well knows nothing of the great ocean.
井底之蛙不知汪洋大海。
Those planning a trip to remote areas, or intending to live in countries where drinking water is not readily available, should know about the various possible methods for making water safe.