try outtest; use during a trial period 试验；试用 * The new kind of engine must be tried out before they are sold. 新型发动机在销售之前一定要进行试验。 * They let me try out the sewing machine for several days before buying. 他们让我先试用几天这台缝纫机再买。try out实验;考验(某人、某物)：Their proposal sounds nice，but it needs to be tried out.他们的建议听起来很好，但是需要实际实验。 |