in fact; in reality; as a matter of fact; in practice[cedict]
是
shìㄕˋ
is; are; am; yes; to be[cedict]
向心力
xiàng xīn lìㄒㄧㄤˋ ㄒㄧㄣ ㄌㄧˋ
centripetal force[cedict]
玻璃
bō liㄅㄛ ㄌㄧ˙
glass; nylon; plastic[cedict]
对
duìㄉㄨㄟˋ
couple; pair; to be opposite; to oppose; to face; for; to; correct (answer); to answer; to reply; to direct (towards sth); right[cedict]
橄榄
gǎn lǎnㄍㄢˇ ㄌㄢˇ
Chinese olive; olive[cedict]
作用
zuò yòngㄗㄨㄛˋ ㄩㄥˋ
to act on; to affect; action; function; activity; impact; result; effect; purpose; intent; to play a role; corresponds to English -ity, -ism, -ization[cedict]
产生
chǎn shēngㄔㄢˇ ㄕㄥ
to arise; to come into being; to come about; to give rise to; to bring into being; to bring about; to produce; to engender; to generate; to appear; appearance; emergence; generation; production; yield[cedict]
的
deㄉㄜ˙
díㄉㄧˊ
dìㄉㄧˋ
of; structural particle: used before a noun, linking it to preceding possessive or descriptive attributive[cedict]