修理屋顶
Clean out gutters and repair roof leaks.
清理排水沟并且修复屋顶的裂缝。
dough figurine 面人
sets off 引起
nurture v. 养育;培养;怀有。n. 养育;培育;教养;培养;后天培育
settling agent 沉降剂;助沉剂;沉淀剂
arrive on time
immerse v. 浸;泡;投入;陷入;沉浸于;给…施洗礼
needs must 必须;不得不
biosensors n. 生物传感器;(biosensor的复数)
mpps abbr. 包转发率; 百万脉波/秒(million pulses per second)
refine sugar 制糖