Unit2 sporting events - Grammar and Usage教案
①a line of forts was built along the border to protect the country against attack.
邊界沿線構(gòu)筑了碉堡,以防敵人進攻該國。
②he is wearing sunglasses to protect his eyes from the strong sunlight他戴著太陽鏡以擋強烈陽光。
說明: against和from用法基本相同。防御較為嚴重的傷害,通常against,一般用fromcares should be taken at all times to protect the equipment against/from dust and damp.
應(yīng)當經(jīng)常注意保護設(shè)備,不使其積塵和受潮。