Every step forward requires testing the ground ahead for shifting sands.
每前进一步都可能遇到意想不到的困难.
来源:词典精选例句He saluted, took a step forward, stopped and regarded his officer.
他行了军礼, 往前走了一步, 接着又停下,注视着军官.
来源:词典精选例句The police have asked for witnesses of the accident to step forward to help with enquiries.
警察让事件的目击者站出来,为调查者提供帮助.
来源:《简明英汉词典》I saw him step forward momentarily but then hang back, nervously massaging his hands.
我看到他走上前,但很快又缩了回来,紧张地搓着手。
来源:《柯林斯高阶英汉双解学习词典》以多极法理论为基础, 提出了一种阶梯结构的 光子晶体 光纤.
来源:互联网摘选为此,在努力为应对气候变化寻求长远之计的同时,我们在各国首都会面临疑虑和困难.
来源:互联网摘选
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