The canoe is made from an impermeable wood.独木舟由防水木头制成。The external layer of the skin is relatively impermeable to water.皮肤的外层不透水.Thus clays and shales tend to be impermeable.因此粘土和页岩就往往不透水....
他有一双清澈的蓝眼睛和一脸灿烂的微笑。He has clear blue eyes and a dazzling smile.他脸上绽放出灿烂的笑容。His face broke into a wide grin.员工的脸上都带着灿烂的笑容。The staff wear big sunny smiles....