sang-froid

n [U] calmness in a situation of danger or in an emergency; composure （面临危险或危急时的）冷静, 沉著, 镇定: They showed great sang-froid in dealing with the fire. 他们处理这场火灾时极为镇定.

sand-yacht, sandal, sandalled, sandalwood, sandbag, sandbank, sandboy, sandiness, sandpaper, sandpiper, sands, sandstone, sandstorm, sandwich, sandwich board, sandwich course, sandy, sane, sanely, sang, sangria, sanguinary, sanguine, sanguinely, sanguineness, sanitarium, sanitorium, sanitary, sanitary towel, `sanitary pad, sanitation, sanitize, sanitise, sanity, sank, sanserif, Santa Claus, sap, sapience, sapient, sapiently, sapling, Sapphic,