[=serum thymus factor]血清胸腺因子
[=slow twitch fiber]慢抽搐纤维
[=small third-trimester fetus]妊娠末三个月小胎儿,妊娠晚期小胎儿
[=special tube feeding]特殊管道喂养
[=sudden transient freezing]突然短暂的冻结(凝固)