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1.turbine n. [动力] 涡轮；[动力] 涡轮机
The new ship will be powered by two gas turbines and four diesel engines.
那艘新轮船将由2台燃气涡轮机和4台柴油机驱动。
2.vibration n. 振动；犹豫；心灵感应
Vibration often springs many parts of the bike.
震动常常引起自行车许多零件的松动。
3.maintenance n. 维护，维修；保持；生活费用
The window had been replaced last week during routine maintenance.
那窗在上星期的例行检修中已被换掉了。
4.oscillate vt. 使振荡；使振动；使动摇 vi. 振荡；摆动；犹豫
I checked to see if the needle indicating volume was oscillating.
我查看了那根音量指针是否在摆动。
