射中 n.发芽 shortage/ ‘ʃɔ:tidʒ/ n.不足，缺少，不足额 shriek/ ʃri:k/ vi.尖声喊叫 n.尖叫声 sideways/ ‘saidweiz/ ad.斜着，斜向一边地 sightseeing/ ‘saitsi:iŋ/ n.观光，游览 signal/ ‘signəl/ n.信号 vi.发信号 signature/ ‘signitʃə/ n.署名，签字，签名 significance/ sig’nifikəns/ n.意义，意味;
环保:environment- friendly，threat of global warming， promote fundamental shifts in the economic system and mode of economic growth，curb environmental pollution/ bring the pollution under control，develop renewable resources ，a low-carbon economy。
