这是一种表达团队合作和互相照顾的方式，通常在危险或高压环境下使用。In the olden days， misbehaving students might receive “six of the best” with a cane as a form of discipline。
if we take short breaks__.19. Food in small pieces could be eaten easily from the sun twigs which_ turned into chopsticks.20. Walls make of adobe take in the heat from the sun on hot days and give out that heat_ during cool nights， thus warning the house.21. …
X-ray/'eks reɪ/n.X射线;X光。toothache /'tu: θeɪk/ n.牙痛。take one's temperature 量体温。headache/'hedeɪk/ n.头痛。
光明日报记者 肖人夫 柴如瑾你知道怎样表示地球的质量吗？千克、兆克……泽克、尧克，更大的数据如何描述？那电子的质量如何表示呢？毫克、微克……仄克、幺克，多小的数字能反映微观世界？2022年以前，地球质量约为6×103尧克，电子质量约为0.9×10-3幺克。
