氢 n. hydrogen。pref. hydro-。
erase v. 抹去，擦掉；删除；忘却；消除，消灭；（易）被擦掉，（易）被抹去
passion fruit 百香果；西番莲果
实施 v. implement; realize; conduct; exact; enforce; ex
订婚 v. be engaged; engage; betroth; be betrothed to; p
滞留 n. retention; hold-up; stagnation; delay; backlog。
中秋节 n. Mid-Autumn Festival; the Mid-autumn Festival。
disk wall liner hanger 盘形井壁衬管悬挂器
菜谱 n. menu; cookbook; recipe book; cookery book; bill
timer n. [电子] 定时器；计时器；计时员，记时员；跑表；延时调节器
进步 v. progress; get; move; advance; get on; come alon
from ape to man 从猿到人从猿到人。
惊喜 phr. pleasantly surprised。adj. amazing; thrilled;
温州 n. Wenzhou。
亲和力 affinity。