elastomeric：弹性体的，人造橡胶的

词根词缀：elast驱动 + -o- + -mer + -ic

• spectacular
• spectate
• spectator
• specter
• spectral
• spectro-
• spectrometer
• spectroscope
• spectroscopy
• spectrum
• speculate
• speculation
• speculative
• speculator
• speculum
• speech
• speechify
• speechless
• speed
• speedometer
• speedster
• speedwell
• speedy
• speleologist
• speleology