A tiny insect , trying to shake a mighty tree, is ludicrously ignorant of its own weakness.蚍蜉撼大树, 可笑不自量.The condition is characterized by weakness resulting from excessive depolarization of the motor end - plate.其特征为无力,这...
The vessels will have to land their catch at designated ports.船只必须在指定的港口把捕到的鱼卸下。He will catch at any opportunity to practise English.他设法抓住一切机会来练英语.Step on it , please. I have a plane to catch at two.请开快点, 我要赶两点的飞机....