Gum

(noun.) any of various substances (soluble in water) that exude from certain plants; they are gelatinous when moist but harden on drying.

(verb.) exude or form gum; 'these trees gum in the Spring'.

(verb.) become sticky.

(verb.) cover, fill, fix or smear with or as if with gum; 'if you gum the tape it is stronger'.

手打:谢莉

• Add to the solution 7 parts of pure soda, 5 of gum Arabic, and 12 of water. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• The same girl who feeds the gum into the wrapping machine closes the lids of the boxes and places them on a packing table by her side. 佚名. 神奇的知识之书.
• Machines have also been invented which stamp out little nuggets of gum. 佚名. 神奇的知识之书.
• The following is a good one: Make a paste of gum tragacanth and add a little oil of wintergreen. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• He also claimed the incorporation of lime with the gum to bleach it. Edward W. Byrn. 十九世纪发明进展.
• The original chewing gum was spruce gum, the exudation of the cut branches of the spruce or fir tree. 佚名. 神奇的知识之书.
• The chewing gum wrapping machine is considered by machinery builders to be one of the most ingenious automatic manufacturing machines in use. 佚名. 神奇的知识之书.
• Grind the drugs to a moderately fine powder and mix them with the oils and gums. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• Mouth washes are a valuable addition to the toilet as they assist to harden and heal the gums, cleanse the mouth and purify the breath. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• Discontinue when gums get sore and resume again when soreness is gone. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• Cleansing the teeth consists in removing every particle of foreign matter from around the teeth and gums. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• Grind the drugs to a moderately fine powder, and mix with the oils and gums. 威廉K.戴维. 智者、化学家和伟大医生的秘密.
• And the flap has been gummed, if I am not very much in error, by a person who had been chewing tobacco. 阿瑟·柯南·道尔. 福尔摩斯历险记.

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