Treponema pallidum immobilization test

例句：

1. 1.The patient was immobilized in bed for several days.
   病人在床上卧床休息了几天。
2. 2.The scientist used a special chemical to immobilize the bacteria.
   科学家使用一种特殊的化学物质来固定细菌。
3. 3. The team worked tirelessly to stabilize the situation before it became too unstable.
   团队努力不懈地工作，以稳定局势，防止其变得太不稳定。