rungs

常見(jiàn)例句

Dots on the three lowest rungs would indicate that the system possesses no internal energy.
圓點(diǎn)在三個(gè)最低梯級(jí)上，就表示這個(gè)系統(tǒng)沒(méi)有內(nèi)能。
Just use the rungs and sides of the ladder as support for the vines.Let the pumpkins grow on the steps for further support.
就用梯級(jí)或梯子的側(cè)麪作爲(wèi)藤蔓的支撐物，讓南瓜在梯級(jí)上生長(zhǎng)，獲得支撐。