Sanitiser
vt. [英國英語] = sanitize
??? 情景例句
Yes.
是的。
It's a pen.
是支筆。
The nomads who made these markings lived by hunting and fishing during the last Ice Age which began about 35,000 B.C.and ended about 10,000 B.C.
這些痕跡是游牧人留下的，他們生活在從公元前約35，000年到公元前10，000年的冰川期的末期，以狩獵、捕魚為生。