With practice this can serve as a trigger to halt the unproductive thoughts and get you back into the groove.

经过练习之后，这项做法会成为中止无建设性思考的动力，并且让你重新回复最佳状态。

youdao

With clear acrylic housings you can visually check that the 'o' ring is seated correctly in the groove by looking through the side of the housing BEFORE entering the water.

现在的树脂外壳，可以让你非常方便在下水前观察O型圈是否就位妥当。

youdao

With clear acrylic housings you can visually check that the 'o' ring is seated correctly in the groove by looking through the side of the housing BEFORE entering the water.

现在的树脂外壳，可以让你非常方便在下水前观察O型圈是否就位妥当。

youdao