levelling
n. 水准测量;校平; v. 弄平;瞄准(level 的 ing 形式)
n.使成水平,测量高低
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n. 水准测量;校平; v. 弄平;瞄准(level 的 ing 形式)
n.使成水平,测量高低
dislikeable donald eavesdropping idler leukemogenic rhabdomyoma undecipherable