邮资单据不能当作收据。Proof of postage will not be accepted as proof of receipt.店员让我在单据上签字。The clerk asked me to sign the docket.推销员扬言要把货拿走,吓得那老妇人在单据上签了字.The salesman scared the old lady into signing the paper by threatening to tak...
梭子在经线中来回移动.The shuttle moves backwards and forwards through the warp.同一经线上的地方其经度相同.Every place on the same meridian has the same longitude.经线均为通过两极.Meridians are great circles passing through both poles....
Gas may play an important part in the accumulation of iodide in subsurface waters.在地下水碘化物聚集过程中,气体可起重要作用.In the intestine, free iodine or iodate undergoes reduction to iodide before absorption.在肠内被吸收以前游离碘或碘酸盐还原成碘化物.A supp...