请把这些试管冲洗一下.Please flush these test tubes.当心别把试管打碎了.Take care not to break the test tube!试管一端封闭,一端开口.A test tube is closed at one end and open at the other....
I vacillated for a long time between medicine and seminary.在学医和进神学院之间我犹豫了很久.He vacillated between refusal and consent [ going out and staying at home ].到底要拒绝或答应 [ 要出去或待在家里 ] 他犹豫不决.Many middle elements have vacillated, an...