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- I must buy a tube of toothpaste. 我必须买一支牙膏。
- All the toothpaste had oozed out. 牙膏全都慢慢流了出来。
- Which brand of toothpaste do you prefer? 你爱用什么牌子的牙膏?
- Put the cap back on the toothpaste. 把盖子重新拧在牙膏管上。
- She bought a tube of toothpaste. 她买了一管牙膏。
- Is this toothpaste on sale today? 这种牙膏今天减价出售吗？
- Do wolves belong to the canine species? 狼是犬科动物吗？
- We should do our best to save endangered species. 我们应该竭尽全力挽救濒于灭绝的生物。
- This rare bird has become an endangered species. 这种珍禽已成为濒临灭绝的物种。
- He was wearing a strange species of hat. 他戴着一种奇怪的帽子。
- He squeezed on the tube until some toothpaste came out. 他挤牙膏管直到挤出一些牙膏。
- He squeezed the tube hard and the last bit of toothpaste came out. 他使劲挤牙膏管子，挤出了最后一点牙膏。
- There are many species of chrysanthemum. 菊花品种很多。
- He squeezed out the last bit of toothpaste from the tube. 他将管子里的最後一点牙膏挤了出来。
- Today the survival of our species is threatened. 今天人类的生存受到了威胁。
- The giant panda has become an endangered species. 大熊猫已成了一种濒临灭绝的动物。
- Unlike most other bats, this species is diurnal. 这种蝙蝠与大多数蝙蝠不同，是在日间活动的。
- This species of flower flourishes in a warm climate. 这种花在温暖的气候中长得茂盛。
- We're out of toothpaste and shampoo. 牙膏跟洗发精都用完了。
- An endangered species; an endangered culture. 濒临绝种的生物种类; 濒临绝传的文化
