挣 v. earn; struggle to get free; struggle to free on
订购 v. order; subscribe; book; place an order; send fo
dome n. 穹顶，圆屋顶；半球形物，圆顶状物v. 变圆，膨胀；加穹顶（状物）于【名】
蓝图 n. blueprint; plan; scheme; design; layout; draft;
commission n. 考察团，委员会；佣金，回扣；犯罪；委托，命令；（军队中的）官职，军衔；（尤
抽查检验 snap check
信箱 n. letterbox; mailbox; postbox; letter box; post-o
generous hospitality 网络 盛情款待。慷慨的款待：指对客人或访客表现出慷慨大方的款待和热情好客的态度。
深入浅出 deep-going but easy to understand—explain the pro
换气充分 Adequate ventilation
bed n. (河)床；(海等的)底；地层；底层；花坛；苗圃；菜园。vt. 把…固定在；
进一步 adv. further; additionally。v. go a step further; g
梭 n. shuttle。
ache vi. 疼痛；渴望；隐痛。n. (身体某部位的)疼痛。v. （隐隐地、持续地）疼
字 n. word; character; letter; script; handwriting; t