Cottonseed meal is deficient in lysine, methionine and leucine.?澍宸廴狈?蛋彼幔0蛋氨酸和亮氨酸.Two mutually exclusive pathways of lysine biosynthesis have been established.现已确定赖氨酸的生物合成有两条相互独立的途径.Large amounts of cystine as well as arg...
They walked in a crouch, each bent over close to the ground.他们每个人都俯身贴近地面蹲伏着前进。The fielders crouch around the batsman's wicket.防守队员蹲伏在击球手守卫的三柱门周围。Playing Rooney and Owen means no place for Crouch.让鲁尼和欧文上场就意味着克劳奇要坐板凳....
But why has the oil bogeyman become less scary?但是为什么这石油幽灵变得不那么可怕了 呢 ?Fear grows in darkness; if you think there's a bogeyman around, turn on the light.忧惧根植在黑暗中; 假使你想像附近有吓人的鬼怪, 就开灯吧....
元帅迈过真空吸尘器，脚步沉重地走出了房间。The Marshal stepped over the vacuum-cleaner and stumped out of the room.真空包装的火腿片应在食用前30分钟把包装除去。Vacuum-packed ham slices should be unwrapped 30 minutes before serving.即使平放，这个真空水杯也是滴水不漏。The flask is co...