承担费用 pay the piper; stand the expense; pick up the tab
一年级 n. first grade; first year (in school)。
颇为 adv. rather; quite; considerably; fairly; signific
碰撞机 collider
设计图 design drawing/chart/diagram; layout (map)。
moisture n. 潮气，水分
非 pref. non-; un-; in-; il-; im-; ir-; dis-; a-; de-
诘问 v. interrogate; question closely; crossexamine; gr
membrane potential 膜电位：细胞包围膜两侧的电位差异。
强度理论 strength theory
source n. 来源，出处；（问题的）原因，根源；消息人士，信息来源；河流源头，发源地；源
cognitive adj. 认识的，认知的
怀璧其罪 Ability to suffer envy and persecution.
distill vt. 提取；蒸馏；使滴下vi. 蒸馏；滴下；作为精华产生（等于 distil）
神父 n. father; priest; cloth; churchman; man of God of