Lesson 10 Are We Alone?
Section 3 新出語
boil [bɔ́ɪl]
freeze [fríːz]
Gliese 581 [ɡlíːzə fáɪv éɪt wʌ́n]
assume [əsjúːm]
strictly [strɪ́ktli]
mass [mǽs]
gravity [ɡrǽvəti]
rhinoceros [raɪnɑ́sərəs]
nickel [nɪ́kl]
coal [kóᴜl]