数学试卷和英语试卷很难。The papers in maths and English are very testing.该学位课程将为数学和统计学打下扎实的基础。The degree provides a thorough grounding in both mathematics and statistics.在校时我的数学跟不上。I got left behind at school with the maths....
Her whole body began to buckle, unbalancing the ladder.她整个身体开始弯曲，搞得梯子倾侧起来。Two men were on the bridge-deck, steadying a ladder.两名男子在船桥甲板上扶着一架梯子不让它摇晃。We climbed rather perilously down a rope-ladder to the boat below.我们冒着相当...