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Tween + numeral
Tween后面的数字是产品编号，不代表数量。
Add Tween 80 to the mixture to stabilize the emulsion.
向混合物中加入吐温80以稳定乳状液。
吐温（聚山梨酯类表面活性剂的商品名）
先理解核心含义，再看它在真实句子里的用法。
吐温（聚山梨酯类表面活性剂的商品名）
a trade name for a group of polysorbate-type nonionic surfactants used as emulsifiers
Add Tween 80 to the mixture to stabilize the emulsion.
向混合物中加入吐温80以稳定乳状液。
补间操作；补间生成的帧序列
An action of tweening (inserting frames for continuity); a sequence of frames generated by tweening.
介于儿童期与青春期之间的孩子,通常指8至13岁,尤指女孩
A child, especially a girl, in the age range between middle childhood and adolescence, normally between eight and thirteen years of age.
The chemist added a little tween to the mixture to stop the ingredients from separating.
化学家往混合物里加了一点吐温，以防止成分分离。
Some tweens are used to make ice cream smoother.
有些吐温被用来让冰淇淋更顺滑。
You can buy tween at a chemical supply store for your experiments.
你可以去化学用品商店购买吐温用于实验。
Tween后面的数字是产品编号，不代表数量。
Add Tween 80 to the mixture to stabilize the emulsion.
向混合物中加入吐温80以稳定乳状液。
Tween可用作名词修饰语，置于名词之前，表示“含有吐温的”或“与吐温有关的”。
The Tween solution was filtered before use.
吐温溶液在使用前经过过滤。
Focus on the distinctions below. Other candidates are kept compact until a reliable usage note is available.
吐温80（一种常用非离子表面活性剂）
Tween 80 was added to the buffer at a concentration of 0.1%.
将吐温80以0.1%的浓度加入缓冲液中。
吐温20（一种聚山梨酯表面活性剂）
The immunostaining solution contained Tween 20 to reduce background.
免疫染色溶液中含有吐温20以减少背景染色。
吐温类表面活性剂
Tween surfactants are widely used in pharmaceutical formulations.
吐温类表面活性剂广泛用于药物制剂中。
吐温溶液
A 1% Tween solution was used to wash the cells gently.
使用1%的吐温溶液轻轻洗涤细胞。
吐温60（一种聚山梨酯乳化剂）
Tween 60 is often used as an emulsifier in food products.
吐温60常用作食品中的乳化剂。
Use tween naturally, then get feedback on meaning, tone, grammar, and phrasing.
Revisit a common error or keep this word in your review list.
tween 就像 between 的后半段，它站在油和水“之间”，让两者混合成乳液。
语域：neutral 常见场景：科技文献、实验室记录、制药配方 在化学与制药领域，“Tween”常作为聚山梨酯类表面活性剂的商品名出现，多用于科技文献、实验记录等较正式的书面语境，日常口语中较少单独使用。
这些词都与tween押韵，均含有长元音/iː/和尾音/n/。注意拼写相似的twin /twɪn/和twine /twaɪn/与tween发音不同。
Dictionary facts from ECDICT, WIKTIONARY.