碘容易集于甲状腺.Iodine tends to localize in the thyroid.在左边可见模糊的甲状腺实质边缘。A rim of thyroid parenchyma is seen at the left.用甲状腺部分切除治疗急性甲状腺肿一直被广泛采用.Partial thyroidectomy for toxic goiter was practiced widely....
Migrating birds filled the pale sky.灰白的天空中满是迁徙的飞鸟。The mudflats offer a winter home to thousands of migrating swans.泥滩成为成千上万只迁徙的天鹅越冬的场所.Migrating birds have marvelouos directional sense.候鸟有非凡的方向辨别力。...
an impractical suggestion不能实行的建议a fundamentally impractical design根本不切实际的设计Geniuses are supposed to be eccentric and hopelessly impractical.天才通常都被认为行为古怪而且毫无实践能力。The business proposition was rejected as impractical.这个生意上的...
He says it's like a volcano ready to erupt.他说这就像一座即将喷发的火山。The volcano erupted last year killing about 600 people.去年那座火山喷发致使约600人遇难。Rainfall had dislodged debris from the slopes of the volcano.雨水冲走了火山坡面上的岩屑。...